That's the plan. If you decide you're going to rescue the townsfolk, then Harrigan has said he will make a new character to volunteer. If you say no, then there's no need for him to do so.
Erf. Still lagging here, but have decided -- let's roll with that Preacher. I'll gin up his stats tomorrow night after getting to DC (work trip), but don't wait any longer. Presume the preacher says he's comin' and let's go!