exponent
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
subs.
P. ἐξηγητής, ὁ. Interpreter: P. and V. ἑρμηνεύς, ὁ. Exponent (of the will of a god): P. and V. προφήτης, ὁ, V. προφῆτις, ἡ.