Re: Firefly's Sheperd Book
One of the comic trilogies seems to imply he was under their employ and that the employ had been terminated (during that comic).
There a graphic comic novel coming about his past.
Number 2 "Are you going to run?"
Number 6 "Like blazes! The first chance I get."
-Smile! God Loves You! Too bad he doesn't exist, oh and everyone else thinks you're an asshole.