If he turns out to be town then I will probably avoid playing with him in the future. Is that wrong? So much of his behavior has been anti-town.
Yes, I would say that is wrong. Let's suppose he's on the scumteam and he makes a bunch of critical errors that cost you the game (though it's generally clear that he's trying reasonably hard). It's the first time he's ever played scum, and you're in a beginner's game. Should you avoid playing with him in the future?
The answer is no. I mean, he's probably not going to make it onto your "favorite scumbuddies" list, but you generally need to play multiple games with someone to figure out if they're one of those irritating game-costers or someone who just kind of sucks sometimes. For reference, I've accidentally killed off 2/3 of the scumteam before (including myself) through dumb errors. I've also played a town game in which I buddied up to the scumteam, wrote near-incomprehensible walls of emotional appeals for my "defense," threatened to quote my role PM, and ended the game by lynching a confirmed townie. The townie in question left the boards.
In my defense, I was actually going insane at the time. On the other hand, I like to think that I've developed into a pretty good player from my odd beginnings, and it saddens me that I won't get another chance to play with that guy--because I played one game terribly under difficult circumstances. When I get a chance, he's still at the top of my "favorite scumbuddy" list.
So, to make a long story short, I believe in giving people second chances. Take a break from playing with him, perhaps, but don't close that door forever unless you think it's really worth it. We're still a small enough community that it can be tough to avoid somebody--and often, playing games with the people you consider trouble can help both of you grow.
Of course, if I am scum, none of that will happen. But if I *am* town, then my sacrifice will not be in vain.
Don't waffle. This used to be one of my worst habits--I'd obsessively speak from an objective perspective in Mafia games. Whether you're town or scum, doodabuddy, you'd better be speaking like you're Town and Proud of It.
Of course, if I am scum, none of that will happen.
Sorry, that doesn't make sense. When I was writing my first draft of that post, I wrote how Rolan7 will seem scummy after my lynch, and how he will pay the price.
This, too. Pay attention: after a townie goes down from a fight, you cannot necessarily paint the other one scum. Revenge-statements on whoever took you down just hurt the town, since at the beginning of a new day they should look at everyone and re-evaluate the circumstances--not just the one who shouted loudly for that one townie's death.