Bert Hecker is a medieval re-enactor. Much of the book revolves around him losing himself in this distant past to the point that he can neither come to terms with his own past, nor engage with the present.
All that aside, though. Historical re-enactments are pretty much the coolest thing ever. I've always wanted to go to a Renaissance Fair or something. Also there was that movie out a few years ago, Role Models, where the guys LARPed. I probably wouldn't have liked anything about that movie if it weren't for the LARPing.
Point is: I think re-enactments/LARP is really cool. I would like to. But not really seriously intensely with rules and shit. I mostly just want to put on costumes and act like a different person in a different world. So I wish there existed such a group in Halifax, but alas, there does not seem to. I briefly half-considered starting one up as a King's society, but I so do not have the guts to try to start a group for something I know nothing about.