User blog comment:Notatruename/Bandwagon Time!/@comment-32640588-20171028022654/@comment-28969153-20171029033604

Yeah, Cordelia is correct

Also, yes. Long story short, Arbiter is not a single person, but a title given to Sanghelies (No idea what Sanghelie pluralized is), and Thel earned the title during the events of Halo 2