So, you're asking for "just" 0.08 BTC. At current preev rate, you're begging for a measily $650, just to identify an account that cannot be identified by this method... But you give your word you'll return the $650

I think what he is saying is that he senT bitcoin to that address, but his English is difficult to parse completely. And then is asking for help to figure out what web site it belongs to.