bibliothecarius
From LSJ
ἐνίοτε οἱ οἰκέται εἰς τὴν θάλασσαν ἐλαύνουσιν αὐτούς → sometimes the slaves ride them into the sea
Latin > English (Lewis & Short)
biblĭŏthēcārĭus: ii, m. id.,
I a librarian (late Lat.), M. Aurel. ap. Fronto Ep. ad M. Caes. 4, 5: bibliothecarius qui codices servat, Gloss. Isid.