Arbiter-general
An arbiter-general was an office within the structure of the Galactic Republic government, as a job. Mon Mothma's dad once occupied this role. The duties of the arbiter-general included mediating disagreements among the various worlds that were members of the Republic.
Sources
- Star Wars: Rogue One: The Ultimate Visual Guide (Initial mention)
- Star Wars Helmet Collection 40 (Databank A-Z: Moraband–Muftak)
- " Chancellors, Senators and States Persons of the Republic " — Star Wars Encyclopedia