No, he's an "accused rapist" because two separate women accused him of various forms of rape under Sweden's domestic rape laws.

Quite ironically, Assange is being railroaded because he tried to avoid the rape charges, which led to his self-imposed Ecuadorian imprisonment, his current British imprisonment, and his future US and/or Swedish imprisonment. If he hadn't tried to flee, it's possible the Swedish charges would have been dropped after perfunctory investigation. The British would never have needed to jail him. The previous US administration would likely have filed minimal charges against him or sought a token punishment to serve as a deterrent to others.

Plenty of others have exposed government secrets. Many of them won Pulitizers for their efforts...