ἀκουστής
From LSJ
Οἱ βασιλεῖς τῇ ἐγκυκλοπαιδείᾳ, αὐτὴ τοῖς βασιλεῦσι (Salamanca inscription) → The kings for the university, and the university for the kings
English (LSJ)
οῦ, ὁ,
A hearer, listener, Men.988; τῶν ἀλλοτρίων κακῶν D.H.Dem. 45. 2 auditor, disciple, Scymn.20, Agathem.1.1, Phld.Rh.1.95 S., D.H.Isoc.1, etc.