The Lounge is rated Safe For Work. If you're about to post something inappropriate for a shared office environment, then don't post it. No ads, no abuse, and no programming questions. Trolling, (political, climate, religious or whatever) will result in your account being removed.
Seriously, what's the point. Even if you do win a judgment against him:
0) Us Courts regularly refuse to enforce UK libel ruling due to the large difference in relative judicial standings so unless he has assets in the UK or decides to visit on vacation your court won't actually be able to do anything to him.
1) His only "asset" is a laptop stained with unmentionables; the hazmat disposal fee exceeds what it work be worth if it was uncontaminated.