on join:
    if player's name is "Lightereq":
        if {ip.admin::%player%} is not set:
            set {ip.admin::%player%} to player's ip
        else:
            set {_ip} to player's ip
            if {_ip} isn't {ip.admin::%player%}:
                kick player due to "&cNie mozna wejsc na konto administratora."