Background
Born on Earth to a couple of ex military parents, Jacob learned the value of hard work, sadly he never learned why he should work hard, or learning anything for that matter. He worked a couple years at construction before getting an add to join the military. Seeing the benefits and the pay he ditched his job and joined the marines instead.
Motivation
The benefits of military, the paycheck, getting out alive until his term ends.
Obligations
To commanding officers, allies in the field, whoever writes the checks
Description
A nice but greedy man, Jacob is a opportunistic person who seeks to get paid, and if he can help some people or shoot a few covies on the side, the more the merrier.