Welcome Ring Worm
Like any sport you will get a mix of people playing it. I think we tend to be approachable and friendly. Many of us start out solo and you just need to choose a site, book it if necessary, and turn up. The sooner you start the better. You find that you will get chatting to other players on your team or the people next to you in the safe zone between games. We all like to show our guns to other people, exchange views on what kit we have, and talk about how the skirmish is going, etc. It does seem daunting at first but do not be put of by the kit people wear, just because they look elite does not make them an operator, conversely just because someone has a particular load out does not make them a tosser either. Let them know that you are new, decent players will help you out and make you feel welcome. Not having an expensive gun should not cause others to laugh at you, to be honest I cannot tell what make of gun other players are using, so it is more about how they play the game. Just take your hits, even if not sure if you were hit, you will find the often repeated walk back to respawn lets you think about the game and learn the layout of the site. Take your guns and see how they compare, you can always hire some guns, and research what you would like to buy before rushing out and two-toning it.
Have a read through the forum for past threads, there are some useful bits of information and advice, as well as totally off topic randomness (but that is the fun of the forum). Just please use the search function.