Idea: 'Doc', using a combination of scrounged bits of tech, herbal remedies, and 'hoodoo', Doc keeps the team healthy and ready for battle. Handy to have around in a fight, as he can use his concoctions to cause just as many problems for the enemy as he makes benefits for the team.
Takes the Hippocratic Oath dead seriously (Oath against Harm?)
Scholar - Doctor?
Blacksmith - Barista and/or Iron Chef?