How to remove the brother impostor, without having lost the data and the account on еBay?

[bara66a]

Hello. I ask your help. Please read attentively my difficult situation and prompt that to me to do in this case. My brother is registered under login -g......u(eBay.com), I under login -b....a(eBay.de),- the account is connected with my bank card and bank details, the home address, the address of Electronic mail -s.....s@...ox.com, mine Paypal. The problem consists that I want to remove it with ebay(g......u) completely, and to keep the data(b.....a). Please help me will cope with this problem. I worked abroad, he disposed of all my data. Silly, but he is my brother to whom I trusted. Help me please. Yours faithfully Sergey