How to deal with thread necromancers:

Thread Necromancers are immune to conventional weapons, as they simply don't care about them. The best way to deal with a thread necromancer is to make a prayer to the Mods.

How to deal with Forum Trolls:
Contray to common belief, Forums Trolls do not have a weakness to fire, infact they grow in power because of it. Do not flame a forum troll, as you'll only make it stronger. The best way to deal with one is to simply ignore it.

How to deal with a Paladin of Anti-Spam: They're normal members who have taken vows to fight the evils of forums in the name of the Mods. The best way to deal with these folks is to try and make the Mods forsake them, thus removing all their power.

How to deal with a Mod: Give them cookies. Mods like cookies. Or beer. Or biscuits, we're not picky about bribes.