Scame me :'(

For about 3 days ago so change me with a guy in a site and we had a Middleman and i trust this guy , since so today He takes the guy that change with me taking account back, I do not know how he was able to take the backs account so I can not take the backs account I can all info for accounts so please someone help me idont not know what i gonna do so help me please

Add me at msn: smartchildswedish@live.se or pm if u can help me