Fortune Card: Many raid wipes are in your immediate future.
(This image/fortune combination is a complete lie, we rocked that raid.)
Straight from my eventual post on the matter:
How does your character define themself? What part of their identity is most important to their personality and self-presentation?
In meatspace, we have so many affiliations, it's anyone's guess whether we consider ourselves a tuba player first, or a student, a Gators fan, a New Yorker, a mother, a nerd, a liberal. Our identities are comprised of so many different aspects of life that it's hard to tell which parts different people will choose to define themselves.
In game, there are less game-related ways to identify.
You can identify as:
your class - your spec
your race - a particular subgroup (Mag'har, Wildhammer)
your faction - a faction other than Horde/Alliance