guys need help !

guys i traded my cf a/c for a steam a/c from this guy : View Profile: eMaGFX - MPGH - MultiPlayer Game Hacking and i spent 20 $ and alot of time on the a/c he gave its more then a month today i checked my mail and i received password reset email but i never clicked on forgot pass (when you click on forget pass they said if you know user name after typing user name you will receive a code to confirm first to your email) so what you guys say its him right ? and i am pretty sure he is real owner how can i prevent him from recovering a/c if he try ( i am sitll not sure its him ) i put my soul in this a/c when i had this a/c it have few tf2 items only now i have 100 + ( i made the tf2 premium) and i got beta of dota 2 and i played it for more then 100+ hours and have 70 + items i dont want to lose this a/c help