I know you're not against him, I was giving you example who could be against him? Even cops are using Warez-BB.
Sure, you can own a warez forum anywhere in the world, especially if you're smart enough not to have those "Earn Money now", "FileSonic pays you", "FileServe", bla bla. You know what I mean, those stupid ads. You don't need "offshore" host for a forum, but if you're that paranoid, you can always buy a VPS in Ukraine, Bosnia, Russia, etc. But I suggest you to cooperate, and if you do. You'd be perfectly fine anywhere, even though some problems may occur if your forum grows fast. And if it becomes a hangout for greedy wannabe uploaders.
But it would be better not to start another warez forum, it's well known that warez became source of the money for lots of people. It's good to share with friends, but it's not good to share with everyone. Give me one good reason why should everyone have Otep's discography? If everyone had access to download it. She would earn NOTHING from her album(s). Because it's pirated all over the world.
If you want to start a site, start a private torrent tracker for YOU, and YOUR friends. Never aim high, such as: "I want to start a worldwide warez forum". You'd be no one compared to them. And frankly, If you were a film director/writer, you wouldn't like that your film one day after its released on a private torrent tracker gets leaked by some 14yo kiddo via RDP on all warez forums, and not because he liked it. It's just because it will generate the points.