Jorgen: Yes... I remember!... I was a swordsman... well known for my skill with a blade. Once I obtained a certain sword as part of my spoils... unfortunately, it held a curse. To keep it from absorbing my soul, I had to pay a great price... that of my past.
You can talk to Jorgen in Cafe Moondust after being hired to obtain his Parameter Bonus. He will be standing on the second floor to the right of the stairs.
Once you complete the quest Amnesia. His initial stats and class depend on the items given, see the quest for more details. Earliest availability after entering The Aqueducts.