Kick

KickHandler (SSS)
KickScript (KickButton)
KickPlayer (RS)

KickHandler:
game.ReplicatedStorage.KickPlayer.OnServerEvent:Connect(function(player,playerToKick, reason)
    game.Players:FindFirstChild(playerToKick):Kick(reason)
end)

KickScript:
local frame = script.Parent.KickFrame
local Button = script.Parent.Parent.KickButton

Button.MouseButton1Click:Connect(function()
    if frame.Visible == true then
        frame.Visible = false
    else
        frame.Visible = true    end
end)

frame.Cancel.MouseButton1Click:Connect(function()
    frame.Visible = false
end)

frame.Kick.MouseButton1Click:Connect(function()
    if game.Players:FindFirstChild(frame.Player.Text) then
        game.ReplicatedStorage.KickPlayer:FireServer(frame.Player.Text,frame.Reason.Text)
    end
end)