My account pots and herbs have been stolen

Dear GM,my account shared to my guild TangDynasty to help the Naxx raid for 1 time. After that, the user(in game id: Tremble) mail my flasks and herbs and golds to his own account many times with no entitled, use Limited Invulnerability Potion to imitate Titans in my bank. All items worth about 7k golds(plus golds) was stolen. After i found that i have transfered the rest and modified my password.Heres the screenshots after stolen. If account share issue is not accept, please delete the items which was stolen, or ban his account. I will be appriciated that.

The screenshots are not allowed upload in this ticket.

My charactor name are Ministerliu Souldream Drugspills