Welcome to UM Xtreme! Well as for what are the people; and whom you should avoid. I would say that most of the people here are open minded to a point on many different issues; and then everyone here has there issues that they start pulling guns on. If you want to stay away from a fight I would suggest staying away from anything related to religion, politics, or evolution vs. creation; especially if there are any posts there by Seraphina, Fluffybunnie, Nxt2hn, Xenojinn, Moe Eublek, and myself . Because these threads try as we may to keep civial generally end up in WWIII. Although they usually fizzle before to much damage is done.
And just don't be afraid to say what you believe. There will always be opposition, thats life. Don't let it faze you.