My script is not working

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#1

My code doesn’t seem to be working I tried debugging and the server is not getting fired.
(Im making a push script)

local player = game:GetService("Players").LocalPlayer
repeat wait()
until player.Character
local char = player.Character
local mouse = player:GetMouse()
local tool = script.Parent
local remote = tool.RemoteEvent

tool.Activated:Connect(function()
	if remote then
		local target = mouse.Target
		if target then
			if target:FindFirstAncestorOfClass("Model") then
				local model = target:FindFirstAncestorOfClass("Model")
				if model:FindFirstChild("Humanoid") then
					remote:FireServer(model)
				end
			end
		end
	end	
	end)

Server script:

script.Parent.RemoteEvent.OnServerEvent:Connect(function(player,victim)
	if (victim.HumanoidRootPart.Position-player.Character.HumanoidRootPart.Position)<=5 then
		print("Fired")
		local force = Instance.new("BodyVelocity")
		force.MaxForce = Vector3.new(math.huge,math.huge,math.huge)
		force.Velocity = (-victim.CFrame.LookVector)*100
		force.Parent = victim.HumanoidRootPart.Position
		wait(0.2)
		force:Destroy()
	end
end)
#2

Just doing a quick glance, on the server code change

if (victim.HumanoidRootPart.Position-player.Character.HumanoidRootPart.Position)<=5 then

to

if (victim.HumanoidRootPart.Position-player.Character.HumanoidRootPart.Position).Magnitude<=5 then

With the current way you have it done on the server, it will return a Vector3 value with the values subtracted by each other. You are trying to compare it to a number, and a .Magnitude at the end will add up the total distance from the two.