Creating Realistic Characters, pt. 3

Occupations.

Do you give it much thought when creating your characters? Some characters are build around their occupation and the story is also heavily based on what they do for a living (ie. James Bond, etc.) These characters have personalities that are tailor made for their occupations.

What about the other way around? Many writers create characters that are not an extension of their work. For instance, in my upcoming novella, Raven, Jarod is an ex-con. Now it would not make much sense for hi...