hacking hotmail & yahoo

Hi all
can some one help me i can't access my hotmail or my account at all i have tried i forget my password but i couldn't to get work coz these emails have been great long time ago and difficult for me to i remember the security questions answers ...
some one have taken my both account i tried to speek to him but he said i will not return it back .
so how can i retrun back or to block it completly and no one use it ???
its so important for me coz i have all my important information and pics on it