"create a vote-kick system. The vote kick should end when all the players voted or after 5 seconds. Make it a serverscript."

local Players = game:GetService("Players")
local voteInProgress = false
local voteStartTime = 0
local voteEndTime = 0
local voteTarget = nil

local function startVote(targetPlayer)
    voteInProgress = true
    voteStartTime = os.time()
    voteEndTime = voteStartTime + 5
    voteTarget = targetPlayer
    for _, player in pairs(Players:GetPlayers()) do
        if player ~= targetPlayer then
            player:Kick("Vote kick in progress")
        end
    end
end

local function endVote()
    voteInProgress = false
    if voteTarget then
        voteTarget:Kick("Vote kick successful")
    end
end

Players.PlayerAdded:Connect(function(player)
    player.Chatted:Connect(function(message)
        if voteInProgress and message == "yes" then
            voteTarget:Kick("Vote kick successful")
            endVote()
        end
    end)
end)

game:GetService("RunService").RenderStepped:Connect(function()
    if voteInProgress and os.time() > voteEndTime then
        endVote()
    end
end)

game:GetService("ReplicatedStorage").VoteKick:OnServerEvent(function(player)
    startVote(player)
end)