I don't know why, but isn't it a bit ironic when someone gets jailed or gagged for saying someone's "ez" or a "noob", when both of those words alone trigger an emote? It's perpetuation, lol.

Sequel's Top Tips for CyberBullies
1) If you kill someone and they begin typing, just move on to your next victim. They're not gonna speak after you're long gone. Assert your superiority.

2) If someone's PMing you, block 'em. I've got over 400 players blocked.

The rest, people pretty much covered. With a community as competitive as ours, you're gonna run into a few rude people, but the thing is that they're never going to be as good as you. Don't turn around and argue, it's pointless.