Why does this script sometimes work and most of the time not?

I'm really confused because sometimes the script works but most of the time it breaks and I dont know why. No errors are given in the output. The problem is that a random player ("The beast") should be assigned to team "Beast" but most of the time this does not happen. When I look in the chat it says "You're now on team "Beast" ". However, after that the chat says "You're now on team Survivor". So the randomplayer gets assigned to beast but after that it gets assigned to team "Survivor". Could someone help me? Thanks in advance

Code:

local beastPlayer = {}
local players = {}







for i, plrs in pairs(game.Players:GetPlayers()) do

       if plrs then

            table.insert(players,plrs)
        end
    end


    local randomPlayer = players[math.random(1,#players)]
    table.insert(beastPlayer,randomPlayer)



    for i, beast in pairs(beastPlayer) do



        if beast and beast.Character then
            beast.TeamColor = BrickColor.new("Really red")
            table.remove(players,i)
            beast.Character:FindFirstChild("HumanoidRootPart").CFrame = 
                        spawnPoints[1].CFrame
            table.remove(spawnPoints,1)

            local beastInGame = Instance.new("BoolValue")
            beastInGame.Value = true
            beastInGame.Name = "BeastInGame"
            beastInGame.Parent = beast.Character

            local clonedScythe = 
                         game.ReplicatedStorage.Weapons:WaitForChild("Scythe"):Clone()
            clonedScythe.Parent = beast.Backpack

               else
            --nothing
            end
        end


    for i , player in pairs(players) do

        if player and player.Character then

            player.TeamColor = BrickColor.new("Really black")
            player.Character:FindFirstChild("HumanoidRootPart").CFrame = 
                        spawnPoints[1].CFrame
            table.remove(spawnPoints,1)

            local inGameValue = Instance.new("BoolValue")
            inGameValue.Name = "InGame"
            inGameValue.Value = true
            inGameValue.Parent = player.Character


            local clonedSword = 
                        game.ReplicatedStorage.Weapons:WaitForChild("Sword"):Clone()
            clonedSword.Parent = player.Backpack



        else
            table.remove(players,i)
        end
    end