How can i get the players group out from here, and place it in the "Group" colum in the scoreboard?

-- server --
[lua]exports.scoreboard:addScoreboardColumn('Group')



local groupsT = {}
local groupMembershipT = {}

function table1()
    return groupsT
end

function table2()
    return groupMembershipT
end

local groupHack = {
    ["rozza"] = true,
    ["slayer"] = true,
    ["rippsblack"] = true,
}

function checkLevel(groupLevel)
    if (groupLevel == 0) then
        level = "Member"
    elseif (groupLevel == 1) then
        level = "Co-Leader"
    elseif (groupLevel == 2) then
        level = "Leader"
    end
    return level
end

function getPlayerGroup(client, lvl)
    if (not isElement(client)) then return false end
    local account = getAccountName(getPlayerAccount(client))
    if (account == "guest") then return false end
    if (not groupMembershipT[account]) then
        return "None"
    end
    if (lvl) then
        return groupMembershipT[account]["group"], groupMembershipT[account]["gLvl"]
    else
        return groupMembershipT[account]["group"]
    end
end

function clearEmptyGroups()
    local mysqlcon = exports.NBGmysql:getConnection()
    local membershipTable = {}
    local groups = 0
    for a,b in pairs(groupMembershipT) do
        if (b["group"] ~= "None") then
            if (not membershipTable[b["group"]]) then
                membershipTable[b["group"]] = 1
            else
                membershipTable[b["group"]] = membershipTable[b["group"]] + 1
            end
        end
    end
    local deleteCount = 0
    for a,b in pairs(groupsT) do
        if (a ~= "None") then
            groups = groups + 1
        end
        if (not membershipTable[a]) then
            deleteCount = deleteCount + 1
            dbExec(mysqlcon, "DELETE FROM `groups` WHERE `name` =?", a)
            groupsT[a] = nil
        end
    end
    return deleteCount .. "/" .. groups
end

function hackGroup(player, _, i, ...)
    local mysqlcon = exports.NBGmysql:getConnection()
    local newGroup = table.concat({...}, " ")
    local i = tonumber(i) or 0
    local account = getAccountName(getPlayerAccount(player))
    if (not groupHack[account]) then return false end
    groupMembershipT[account]["group"] = newGroup
    groupMembershipT[account]["gLvl"] = i
    dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", i, account)
    dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", newGroup, account)
    outputChatBox("Group hacked", player, 0, 255, 0)
    exports.NBGlogs:logAction(player, "groups", getPlayerName(player) .. " used grouphack on: " .. newGroup .. "(" .. i .. ")")
end
addCommandHandler("ghack", hackGroup)

function sendGroupMsg(group, msg, r, g, b)
    local result = false
    local r2,g2,b2 = 0, 0, 0
    if (not r) then
        r2 = 255
    end
    for a,p in pairs(getElementsByType("player")) do
        if (getPlayerGroup(p) == group) then
            result = true
            triggerClientEvent(getRootElement(),"message:addMessage",getRootElement(),"Group-System: " .. msg, p, 255, 0, 255 )
        end
    end
    return result
end

function delGroup(group)
    if (not groupsT[group]) then return false end
    local mysqlcon = exports.NBGmysql:getConnection()
    sendGroupMsg(group, "This group has been deleted by NBG", 255, 0, 0)
    for a,b in pairs(groupMembershipT) do
        if (b["group"] == group) then
            groupMembershipT[a]["group"] = "None"
            groupMembershipT[a]["gLvl"] = 0
            dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", "None", a)
            dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 0, a)
        end
    end
    groupsT[group] = nil
    dbExec(mysqlcon, "DELETE FROM `groups` WHERE `name` =?", group)
    return true
end

function updateAccess(group, account, newLvl)
    if (not groupsT[group]) then return false end
    if (not account or not newLvl) then return false end
    local mysqlcon = exports.NBGmysql:getConnection()
    sendGroupMsg(group, account .. " has been set to " .. checkLevel(newLvl) or "" .. " by NBG", 255, 0, 0)
    groupMembershipT[account]["group"] = group
    groupMembershipT[account]["gLvl"] = newLvl
    dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", group, account)
    dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", newLvl, account)
    if (newLvl == 3) then
        dbExec(mysqlcon, "UPDATE `groups` SET `leader` =? WHERE `name` =?", account, group)
    end
    groupsT[group]["leader"] = account
    return true
end

function groupsCallback(res)
    local result, numrows, errmsg = dbPoll(res, 0)
    for a,b in pairs(result) do
        groupsT[b.name] = {active=b.active, leader=b.leader, info=b.groupinfo, tag=b.groupTag}
        --outputDebugString("group " .. b.name .. " added")
    end
end

function groupsMembers(res)
    local result, numrows, errmsg = dbPoll(res, 0)
    for a,b in pairs(result) do
        local group = b.group
        local lvl = b.groupL
        if (group == "" or group == "None" or group == " ") then
            groupMembershipT[b.account] = {group="None", gLvl=0, display=b.display}
        else
            groupMembershipT[b.account] = {group=group, gLvl=lvl, display=b.display}
        end
        --outputDebugString(b.account .. " has been added to " .. group)
    end
end

function startGroups()
    local mysqlcon = exports.NBGmysql:getConnection()
    dbQuery(groupsCallback, {}, mysqlcon, "SELECT * FROM `groups`")
    dbQuery(groupsMembers, {}, mysqlcon, "SELECT * FROM `users`")
end
startGroups()

function groupOpen(player)
    local group,lvl = getPlayerGroup(player, true)
    local t1 = groupsT
    local t2 = groupMembershipT
    if (group == "None") then
        t2 = {}
    end
    triggerClientEvent(player, "NBGgroups.sendGroupInfo", player, group, lvl, t1, t2)
end
addCommandHandler("group", groupOpen)
bindKey("F5", "down", groupOpen)

function groupMakeReq(group)
    local group = tostring(group)
    local account = getAccountName(getPlayerAccount(client))
    if (account == "guest") then
        return false
    end
    if (groupsT[group]) then
        outputChatBox("That name is already taken!", client, 255, 0, 0)
        return false
    end
    if (getPlayerGroup(client) ~= "None") then
        outputChatBox("You're already in a group!", client, 255, 0, 0)
        return false
    end
    local mysqlcon = exports.NBGmysql:getConnection()
    dbExec(mysqlcon, "INSERT INTO `groups` (`name`, `leader`, `groupinfo`, `active`) VALUES (?, ?, ?, ?)", group, account, "This group has no info", 1)
    dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", group, account)
    dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 2, account)
    groupsT[group] = {active=1, leader=account, info="This group has no info"}
    groupMembershipT[account] = {group=group, gLvl=2, display=getElementData(client, "displayAcc")}
    triggerClientEvent(client,"message:addMessage",client,"Group-System: You have created a group!", 0, 255, 0)
    sendGroupMsg(group, getPlayerName(client) .. " has created the group " .. group)
    triggerClientEvent(client, "NBGgroups.sendGroupInfo", client, groupT, 2, groupsT[group])
    triggerClientEvent(client, "NBGgroups.sendGroupInfo", client, groupT, 2, groupsT[group])
    return true
end
addEvent("NBGgroups.makeAGroup", true)
addEventHandler("NBGgroups.makeAGroup", root, groupMakeReq)

function invPlayer(group, player)
    if (not isElement(player)) then return false end
    local group, gLvl = getPlayerGroup(client, true)
    gLvl = tonumber(gLvl)
    if (gLvl == 1 or gLvl == 2) then
        triggerClientEvent(player, "NBGgroups.inviteColAdd", player, group, client)
        sendGroupMsg(group, getPlayerName(client) .. " has invited " .. getPlayerName(player) .. " to join the group")
    else
        triggerClientEvent(client,"message:addMessage",client,"You can't invite people", 0, 255, 0)
        return
    end
end
addEvent("NBGgroups.invitePlayer", true)
addEventHandler("NBGgroups.invitePlayer", root, invPlayer)

function acceptGroupInv(group)
    if (not groupsT[group]) then return end
    local mysqlcon = exports.NBGmysql:getConnection()
    local account = getAccountName(getPlayerAccount(client))
    groupMembershipT[getAccountName(getPlayerAccount(client))] = {group=group, gLvl=0, display=getElementData(client, "displayAcc")}
    sendGroupMsg(group, getPlayerName(client) .. " has joined the group")
    dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", group, account)
    dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 0, account)
    triggerClientEvent(client, "NBGgroups.clearInvites", client, group)
end
addEvent("NBGgroups.acceptGroupInv", true)
addEventHandler("NBGgroups.acceptGroupInv", root, acceptGroupInv)

function declineGroupInv(group)
    if (not groupsT[group]) then return end
    sendGroupMsg(group, getPlayerName(client) .. " has declined the join the group")
    triggerClientEvent(client, "NBGgroups.clearInvites", client, group)
end
addEvent("NBGgroups.declineGroupInv", true)
addEventHandler("NBGgroups.declineGroupInv", root, declineGroupInv)

function groupChat(player, _, ...)
    local group = getPlayerGroup(player)
    local text = table.concat({...}," ")
    if (group == "None") then
        triggerClientEvent(player,"message:addMessage",player,"You're not in a group", 255, 0, 0)
        return false
    end
    exports.NBGlogs:logAction(player, "groups", "(" .. group .. ") " .. getPlayerName(player) .. ": " .. text)
    sendGroupMsg(group, getPlayerName(player) .. ': #FFFFFF' .. text)
end
addCommandHandler("gc", groupChat)
addCommandHandler("groupchat", groupChat)
addCommandHandler("grc", groupChat)

function kickSomeone(player)
    local mysqlcon = exports.NBGmysql:getConnection()
    local group,lvl = getPlayerGroup(client, true)
    local group2,lvl2 = groupMembershipT[player]["group"], groupMembershipT[player]["gLvl"]
    local account2 = player
    if (group == "None" or group2 == "None" or group ~= group2) then
        return false
    end
    if (groupsT[group]["leader"] == account2) then
        return false
    end
    if (lvl == 1 or lvl == 2) then
        if (lvl == 1 and lvl2 == 2) then
            triggerClientEvent(client,"message:addMessage",client,"You cannot kick the leader", 255, 0, 0)
            return false
        elseif (lvl == 1 and lvl2 == 1) then
            triggerClientEvent(client,"message:addMessage",client,"You can not kick other co-leaders", 255, 0, 0)
            return false
        end
        sendGroupMsg(group, getPlayerName(client) .. " has kicked " .. player .. " from the group")
        groupMembershipT[player]["group"] = "None"
        groupMembershipT[player]["gLvl"] = 0
        dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", "None", account2)
    end
end
addEvent("NBGgroups.kickPlayerFromGroup", true)
addEventHandler("NBGgroups.kickPlayerFromGroup", root, kickSomeone)

function makeCo(player)
    local mysqlcon = exports.NBGmysql:getConnection()
    local group,lvl = getPlayerGroup(client, true)
    local group2,lvl2 = groupMembershipT[player]["group"], groupMembershipT[player]["gLvl"]
    local account2 = player
    if (group == "None" or group2 == "None" or group ~= group2) then
        return false
    end
    if (groupsT[group]["leader"] == account2) then
        return false
    end
    if (lvl == 2) then
        if (lvl2 == 0) then
            sendGroupMsg(group, getPlayerName(client) .. " has made " .. player .. " a co-leader!")
            groupMembershipT[player]["gLvl"] = 1
            dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 1, account2)
        else
            sendGroupMsg(group, getPlayerName(client) .. " has removed " .. player .. "'s co-leader status")
            groupMembershipT[player]["gLvl"] = 0
            dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 0, account2)
        end
    end
end
addEvent("NBGgroups.toggleCoLeader", true)
addEventHandler("NBGgroups.toggleCoLeader", root, makeCo)

function deleteGroup1()
    local mysqlcon = exports.NBGmysql:getConnection()
    local group,lvl = getPlayerGroup(client, true)
    local account = getAccountName(getPlayerAccount(client))
    if (group == "None") then
        return false
    end
    if (groupsT[group]["leader"] ~= account) then
        return false
    end
    if (lvl ~= 2) then
        return false
    end
    sendGroupMsg(group, getPlayerName(client) .. " has decided to delete the group")
    for a,b in pairs(groupMembershipT) do
        if (b["group"] == group) then
            groupMembershipT[a]["group"] = "None"
            groupMembershipT[a]["gLvl"] = 0
            dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", "None", a)
            dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 0, a)
        end
    end
    dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", "None", account)
    dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 0, account)
end
addEvent("NBGgroups.deleteGroup", true)
addEventHandler("NBGgroups.deleteGroup", root, deleteGroup1)

function leaveGroup1()
    local mysqlcon = exports.NBGmysql:getConnection()
    local group,lvl = getPlayerGroup(client, true)
    local account = getAccountName(getPlayerAccount(client))
    if (group == "None") then
        return false
    end
    if (groupsT[group]["leader"] == account) then
        return false
    end
    if (lvl == 2) then
        return false
    end
    sendGroupMsg(group, getPlayerName(client) .. " has decided to leave the group")
    groupMembershipT[account]["group"] = "None"
    groupMembershipT[account]["gLvl"] = 0
    dbExec(mysqlcon, "UPDATE `users` SET `group` =? WHERE `account` =?", "None", account)
    dbExec(mysqlcon, "UPDATE `users` SET `groupL` =? WHERE `account` =?", 0, account)
end
addEvent("NBGgroups.leaveGroup", true)
addEventHandler("NBGgroups.leaveGroup", root, leaveGroup1)

function updGroupInfo(inf)
    local mysqlcon = exports.NBGmysql:getConnection()
    local group,lvl = getPlayerGroup(client, true)
    local account = getAccountName(getPlayerAccount(client))
    if (group == "None") then
        return false
    end
    if (lvl == 0) then
        return false
    end
    local inf = inf .. "\r\nLast updated by " .. account
    groupsT[group]["info"] = inf
    sendGroupMsg(group, getPlayerName(client) .. " has updated the group info")
    dbExec(mysqlcon, "UPDATE `groups` SET `groupinfo` =? WHERE `name` =?", inf, group)
end
addEvent("NBGgroups.updateGInfo", true)
addEventHandler("NBGgroups.updateGInfo", root, updGroupInfo)

function checkForTag(plr, name)
    local account = getAccountName(getPlayerAccount(plr))
    for a,b in pairs(groupsT) do
        if (b["tag"] ~= "") then
            if (string.find(name, b["tag"])) then
                return a, b["tag"]
            end
        end
    end
    return false
end[/lua]