Welcome to the game and the forums Scrum! 
One bit of advice I like to offer all new players:
The only way to guarantee you're always on a fun team is to form one yourself...
Here's how.
not to shamelessly plug. Oh OK, it is a shameless plug in game the Mentor Project is another useful resource I know that there's coverage in the N P C global channel 24/7 on the North American side, not sure what the coverage is on the European servers.
On Justice
Global @Desi Nova Twitter: @desi_nova Steam: Desi_nova. I don't do Xbox or PS3
Here you go, Scrum...
A Guide to In-Game Jargon
As for the best resource of CoX information...
Paragon Wiki
And which server to check out?
All of them.
Angel Red
"We're heroes. Fighting injustice is the thing we do." ~Rebel Scum