To answer your question, did Han Solo /work/ for Ben Kenobi and Luke Skywalker, or did he do something for them as a quick job in exchange for credits? He doesn't serve any one person, but I know he does work a lot with the empire. Or did.
"Neither dark nor light, but both all the same.
Neither hero nor villain, but both all the same.
Neither balanced nor chaotic, but both all the same.
Neither alive nor dead, but both all the same."