The best thing to do when a troll is on the prowl is to completely ignore their activities in the forums, and report the problem to the moderators, or even SWF.com.
People who want to disrupt forums are seeking attention, and those who get upset, call them out, confront and complain within the forums, though well meaning and justified, are actually adding fuel to the flames.
While we mods might not be on here 24/7, the problem will get taken care of, and the forums will not be harmed by an emotionally troubled troll. The troll, however, could personally have some problems as a result of their activities.