ἐσηγητής

From LSJ

ἤκουσεν ἐν Ῥώμῃ καὶ ἀρσένων ἑταιρίαν εἶναι → he heard that there was also a fellowship of males in Rome (Severius, commentary on Romans 1:27)

Source

French (Bailly abrégé)

anc. att. c. εἰσηγητής.

Lexicon Thucydideum

auctor, originator, adviser, 8.48.6.