Please help me block this accnt @carlosdap11..

He was selling his accnt @carlos-danieel for 3sbd then when Ialready sent him 3sbd to his accnt @carlosdap11 he asked me to add 2sbd ... our deal is only 3sbd.. of course I didn't give him the add. 2 sbd and then he immediately block me I can no longer reply to our conversation.

...please help me report this accnt .I dont care if my 3sbd will not be return, I'm just concern for other users to be scam by this man..

I screenshot our convo
![20180711_114359.png]

()

P.s I know 3sbd is no big deal for some of u in here but the reason why I'd like to buy another accnt because I want my sibling to have an accnt in here coz' she is interested in the platform, it's been a long time she was not approved.That's why I decided to buy another accnt . And saaad I was ...😥😥😥

Thank you for ur help.It means a lot.