One of the side characters - and suspects - in my fantasy mystery, Unnatural Causes, is Eldais, former apprentice of Cailys (the victim), who was booted from his position after he attempted to lash out at the royal heir. Cailys chose not to turn him over to the guard, but now he's a pariah, with no one willing to take him on. I chose this for his themesong:
You Just Haven't Earned It Yet Baby - Kirsty MacColl
It pretty much addresses his sense of entitlement and his misfortunes head on.