Server problem | WordPress.org

Hello,

i have big problem, I have bought WordPress theme , and used it about 4-5 months. My server administrator lied to me and he disappeared, I have my adminstator panel password and everything to prove that I have bought it. In my app version of WordPress , I can see my website , media and pages , but I cannot log in (server is not working). Please help me with this. What to do?

The page I need help with: [log in to see the link]