Billboard won't appear?

So this script is suppose to put a billboard gui on top of every player in the server. The problem is it only names the owner

-- Put this script in the StarterGui. 
-- Change  FriendId to the ID of the player that you want

local FriendId = 42664279 

repeat wait() until game.Players.LocalPlayer and game.Players.LocalPlayer.Character and game.Players.LocalPlayer.Character:findFirstChild("Head")
local plr = game.Players.LocalPlayer
local head = plr.Character.Head
if (plr.userId == FriendId) then
    local gui = Instance.new("BillboardGui", head)
    gui.Adornee = head
    gui.Size = UDim2.new( 200, 0, 2, 0)
    gui.StudsOffset = Vector3.new( 0, 3, 0)
    gui.Name = "OwnerGui"
    local rank = Instance.new("TextLabel", gui)
    rank.Name = "Owner"
    rank.BackgroundTransparency = 1
    rank.BorderSizePixel = 0
    rank.ZIndex = 2
    rank.Font = "ArialBold"
    rank.Text = "Owner"
    rank.Size = UDim2.new( 1, 0, 1, 0)
    rank.TextColor3 = Color3.new( 255, 0, 0)
    rank.TextStrokeColor3 = Color3.new( 0, 0, 0)
    rank.TextStrokeTransparency = 0
    rank.TextScaled = true
    rank.TextWrapped = true

    else if plr:IsFriendsWith(FriendId) then

        local gui1 = Instance.new("BillboardGui", head)
        gui1.Adornee = head
        gui1.Size = UDim2.new( 200, 0, 2, 0)
        gui1.StudsOffset = Vector3.new( 0, 3, 0)
        gui1.Name = "FriendGui"
        local rank1 = Instance.new("TextLabel", gui)
        rank1.Name = "Admin"
        rank1.BackgroundTransparency = 1
        rank1.BorderSizePixel = 0
        rank1.ZIndex = 2
        rank1.Font = "ArialBold"
        rank1.Text = plr.Name.."(Friend)"
        rank1.Size = UDim2.new( 1, 0, 1, 0)
        rank1.TextColor3 = Color3.new( 1, 1, 1)
        rank1.TextStrokeColor3 = Color3.new( 0, 0, 0)
        rank1.TextStrokeTransparency = 0
        rank1.TextScaled = true
        rank1.TextWrapped = true

    else

        local gui2 = Instance.new("BillboardGui", head)
        gui2.Adornee = head
        gui2.Size = UDim2.new( 200, 0, 2, 0)
        gui2.StudsOffset = Vector3.new( 0, 3, 0)
        gui2.Name = "PlayerGui"
        local rank2 = Instance.new("TextLabel", gui2)
        rank2.Name = "PlayerName"
        rank2.BackgroundTransparency = 1
        rank2.BorderSizePixel = 0
        rank2.ZIndex = 1
        rank2.Font = "ArialBold"
        rank2.Text = plr.Name
        rank2.Size = UDim2.new( 1, 0, 1, 0)
        rank2.TextColor3 = Color3.new( 1, 1, 1)
        rank2.TextStrokeColor3 = Color3.new( 0, 0, 0)
        rank2.TextStrokeTransparency = 0
        rank2.TextScaled = true
        rank2.TextWrapped = true
    end
end