local P=game:GetService"Players"
local L=P.LocalPlayer
local N="Knife"
local RC=Color3.fromRGB(255,0,0)
local WC=Color3.fromRGB(255,255,255)
local T=0.5
local H={}
local B={}

local function U(p)
if p==L then return end
local c=p.Character
if not c or not c:FindFirstChildOfClass"Humanoid"or c.Humanoid.Health<=0 then
if H[p]then H[p]:Destroy()H[p]=nil end
if B[p]then B[p]:Destroy()B[p]=nil end
return end
task.wait(0.1)
local k=p:FindFirstChild"Backpack"and p.Backpack:FindFirstChild(N)
if not k then k=c:FindFirstChildOfClass"Tool"end
local hasKnife=k and k.Name==N
if H[p]then H[p]:Destroy()H[p]=nil end
local h=Instance.new"Highlight"
h.FillColor=hasKnife and RC or WC
h.FillTransparency=T
h.OutlineColor=hasKnife and RC or WC
h.DepthMode=Enum.HighlightDepthMode.AlwaysOnTop
h.Adornee=c
h.Parent=c
H[p]=h
if B[p]then B[p]:Destroy()B[p]=nil end
local b=Instance.new"BillboardGui"
b.Name="NameDisplay"
b.Size=UDim2.new(0,100,0,30)
b.StudsOffset=Vector3.new(0,3,0)
b.AlwaysOnTop=true
local t=Instance.new"TextLabel"
t.Size=UDim2.new(1,0,1,0)
t.BackgroundTransparency=1
t.TextColor3=Color3.new(1,1,1)
t.TextStrokeColor3=Color3.new(0,0,0)
t.TextStrokeTransparency=0.3
t.Font=Enum.Font.GothamBold
t.TextSize=16
t.Text=p.DisplayName
t.Parent=b
b.Parent=c
B[p]=b
end

local function onCharacterAdded(character)
local p=P:GetPlayerFromCharacter(character)
if p then task.wait(0.5)U(p)end
end

for _,v in pairs(P:GetPlayers())do
U(v)
if v.Character then
v.Character:WaitForChild"Humanoid".Died:Connect(function()task.wait(0.5)U(v)end)
end
v.CharacterAdded:Connect(onCharacterAdded)
end

P.PlayerAdded:Connect(function(p)
U(p)
p.CharacterAdded:Connect(onCharacterAdded)
end)

P.PlayerRemoving:Connect(function(p)
if H[p]then H[p]:Destroy()H[p]=nil end
if B[p]then B[p]:Destroy()B[p]=nil end
end)

while task.wait(0.5)do
for _,v in pairs(P:GetPlayers())do
if v.Character and v.Character:FindFirstChildOfClass"Humanoid"and v.Character.Humanoid.Health>0 then
U(v)
end
end
end