Rita,
You'd be *perfect* as "public relations", although technically that's Jayne's job...
But the more I think about it, the more I think that a ship like that would definately need someone to work the biz and keep jobs coming in. That would be right up your alley, I conjure.
As for me, I can't help but think there'd be more technical chores onboard than making the spinny thing go round in the engine compartment (Kaylee being a savant and all - that's covered). I mean, who wires up the comm-links and fixes the other whatsits when they go bust?
--Dale