Finding nearest player doesn't return anything after check?

I'm trying to find the nearest player or NPC within 50 studs and it finds all players but for some reason when I add code that checks if the player found isn't the local player it returns nothing.

local player = game.Players.LocalPlayer

for i,v in pairs(workspace:GetChildren()) do
	if v:FindFirstChild("Humanoid") then
		if player:DistanceFromCharacter(v.Head.Position) < 50 then
			if not player.Name == v.Name then
				print("Close player found that isn't local player!")					
			end
		end		
	end
end

First put a RemoteEvent inside ReplicatedStorage then add a Script inside ServerScriptService and put this:

local rep = game:GetService('ReplicatedStorage')
local event = rep:FindFirstChild('RemoteEvent')
event.OnServerEvent:connect(function (plr, root)
	for _, i in pairs(game.Players:GetPlayers()) do
		if i.Character:FindFirstChild('HumanoidRootPart') then
			local userroot = i.Character.HumanoidRootPart
			local dist = (root.Position - userroot.Position).Magnitude
			if dist < 50 then
				event:FireClient(plr, i)
			end
		end
	end
end)

Then place this in your StarterGui Inside a LocalScript

wait()
local plr = game.Players.LocalPlayer
local char = plr.Character
local root = char:WaitForChild('HumanoidRootPart')
local rep = game:GetService('ReplicatedStorage')
local event = rep:FindFirstChild('RemoteEvent')

event:FireServer(root)

event.OnClientEvent:connect(function (closeby)
	print(closeby.Name.." Is Closeby")
end)

Make Sure you add the FireServer(root) on Line 08 whenever you want to find the distance of somebody.