eruditor
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
Latin > English (Lewis & Short)
ērŭdītor: ōris, m. id.,
I an instructor, teacher (post-class.), Tert. Pall. 4; Hier. Vit. Hil.; Vulg. Rom. 2, 20 al.
Latin > French (Gaffiot 2016)
ērŭdītŏr, ōris, m. (erudio), maître, précepteur : Tert. Pall. 4.