This is going to take a while, but it is worth typing up:
Captain
Manager of the ship and crew.
Any starting occupation prolly ok.
Skillz: Diplo, Intim, SMotive, Know(strtws, cvcs, tactics), Bluff, Drive, Spot, Nav, CompUse
Feats: SurfaceVehiOper(ship), Trustwrthy, Guide, SquadLeader
Class Suggestions: FieldOfficer, Negotiator, Commander
Feats compliment skills. ChaHero a must.
I will do each role as it's own post.