μονομαχοτρόφος
From LSJ
ἐν μὲν γὰρ εἰρήνῃ καὶ ἀγαθοῖς πράγμασιν αἵ τε πόλεις καὶ οἱ ἰδιῶται ἀμείνους τὰς γνώμας ἔχουσι διὰ τὸ μὴ ἐς ἀκουσίους ἀνάγκας πίπτειν → in peace and prosperity states and individuals have better sentiments, because they do not find themselves suddenly confronted with imperious necessities
English (LSJ)
ὁ,
A trainer of gladiators, Lat.lanista, Gloss.
German (Pape)
[Seite 204] Zweikämpfer, Gladiatoren ernährend, haltend, lanista.