Hi Kitty, no reason to feel overwhelmed by fear - and no, sensible people here won't bite you or try to force you to become their slave just because you look good. If you get approached by someone who thinks he can call any sub "Slave!" just by virtue of his rank then he's most likely a newbie, and you can tell him that.
Of course people flash their whips a bit here, and some of us (me included) count ourselves as owned slaves, but relations grow around here much like in ordinary love, out of respect and attraction, so just join the fun and don't be afraid to ask.