Is there anything wrong with how i store my table?

Hi guys, im trying to code a find nearest target script and apparently i can't properly save my humanoidrootpart properly here's the code(I"ll remove as much redundant code as possible):

function FindNearestTarget()
        local list = game.Workspace:GetChildren()
        for i=1, #list do

                if list[i].ClassName == "Model" and list[i]:FindFirstChild("Humanoid") then
                    TargetPos = {list[i].HumanoidRootPart.Position}
                    wait(1)
                end
        end
        if TargetPos then
            print (unpack(TargetPos))
        end
    end--Function End

The above code apparently results in TargetPos to only have 1 element regardless of the number of players in the game. If this function was ran in an infinite loop, and there are 2 players for example, TargetPos seems to replace it's first element with the next player's position, then go back to printing the first player's position. I want to be able to print (TargetPos[2]) but it always result in a nil because it was never saved as the second element in the first place. any idea whats wrong?