local allowed_players = {"BINO2002", "LIEFMEISJE44"}

function check(name)
    for i,v in pairs(allowed_players) do
        if name == v then
            return true
        end
    end
    return false
end

for index, child in pairs(game.Players:GetChildren()) do
    local name = child.Name
    local allowed = check(name)
    if allowed == false then
        child:Destroy()
    end
end