on chat:
    cancel event
    if {rank.%player%} is "admin":
        broadcast "&a[&6Admin&a] &b%player%&a: &f%message%"
    else if {rank.%player%} is "owner":
        broadcast "&c[&6Owner&c] &b%player%&a: &f%message%"
    else if {rank.%player%} is "vip":
        broadcast "&6[&evip&6] &a%player%&b: &f%message%"
    else if {rank.%player%} is "builder":
        broadcast "&2[Builder] &f%player%&a: &f%message%"
    else:
        broadcast "&f%player%&a: &f%message%"

command /prefix [<text>] [<player>]:
    permission: skript.admin
    trigger:
        if arg-1 is "admin":
            if player's name is "sabaibamosu":
                set {rank.%arg-2%} to arg-1
                send "&6Admin" to arg-2
        if arg-1 is "owner":
            if player's name is "sabaibamosu":
                set {rank.%arg-2%} to arg-1
                send "&cOwner" to arg-2
        if arg-1 is "vip":
            set {rank.%arg-2%} to arg-1
            send "&e&lVip&b購入ありがとうございます" to arg-2
            broadcast "&b[shop]&a%arg-2%&bさんが&eVip&bを購入してくれました"
            command "/scoreboard players tag %arg-2% add vip"
        if arg-1 is "builder":
            if player's name is "sabaibamosu":
                set {rank.%arg-2%} to arg-1
                send "&2Builder" to arg-2
        if arg-1 is "delete":
            delete {rank.%player%}