Boyd Langton's title at the Dollhouse is that of Handler. He's assigned to Echo.
With his all-business attitude and perpetual loyalty, Boyd pretty much runs the show at the Dollhouse. But where would his loyalty lie if Echo needs protection from the Dollhouse, or vice versa?
Boyd: They don't think I can handle that?
Topher: Ahh, not everything is about you, Mr. Infinite Ego Man.
Topher: We're great humanitarians.
Boyd: Who would spend the rest of our lives in jail if anyone ever found this place.