So this money he stole from you. How could he steal money from you in an MMO game unless you were trying to do an RMT?
btw: Learn to internet. That thing in yellow is not a URL of any kind. It is meaningless unless it is a URL.
Perhaps post your picture to an image hosting service like http://imgur.com and provide that link?
Trust me friend, internet savvy is important if you want to get anywhere in your life.