expositor
From LSJ
εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
Latin > English (Lewis & Short)
expŏsĭtor: ōris, m. expono,
I an expounder, interpreter: somniorum, Firm. Math. 13, 5: juris, Cassiod. Var. 9, 21.
