TBESG:ἐξηγητήςan expositor1. one who leads on, an adviser , Lat. auctor, [Refs 5th c.BC, Refs 4th c.BC] 2. an expounder, interpreter , of oracles, dreams, omens, and sacred customs, [Refs 5th c.BC, 5th/4th c.BC], etc. (ML)