Pieces:
King - Gerent
Queen - Consort
Rook - Marshall
Bishop - Prophet
Knight - Champion
Pawn - Agent

Variations include the following:
King - Vicegerent, Marshall, Paragon, Steward, Champion, Secretary
Queen - Speaker, Prophet, Chosen, Hand, Symbiont, Lieutenant, Vassal
Rook - Paragon, Trinity, Vahana, Manifest, Keeper, Tutelar
Bishop - Witness, Trinity, Dedicate, Herald, Harbinger, Hand, Ferine, Enchirdant, Messenger, Seeker, Custodian
Knight - Warden, Hand, Ascendant, Bailiff, Retainer, Incultant
Pawn - Attendant, Servant, Jument, Disciple, Servitor, Minion, Adherent