oarsman
From LSJ
ἑὰν δὲ προσποιούμενος ᾗ τὰ μαθήματά πως ἀπείρως προβάλλων, οὐκ ἔστιν αἰτίας ἔξω → But should one profess knowledge as he puts forward something in an inexperienced way, he is not without blame (Pappus 3.1.30.31f.)
ἑὰν δὲ προσποιούμενος ᾗ τὰ μαθήματά πως ἀπείρως προβάλλων, οὐκ ἔστιν αἰτίας ἔξω → But should one profess knowledge as he puts forward something in an inexperienced way, he is not without blame (Pappus 3.1.30.31f.)
Ar. and P. ἐρέτης, ὁ, P. πρόσκωπος, ὁ, V. κώπης ἄναξ, ὁ (Eur., Cyclops 86), ἐρετμοῦ ἐπιστάτης, ὁ (Eur., Hel. 1267).