Pirates, Pirate RP and Terrorists.

[gafiaiiu]

Well, if they're really <that> bad, then do something about it, take screens show them to the admins under the 1.2 rule
1.2 Server administrators will impose sanctions on players for violating server rules and for any actions that harm server gameplay.
Because, as you stated before, there's not much else that you can do with them if they don' break rules.