μιμολόγος
From LSJ
ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην, πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → hard it is to learn the mind of any mortal or the heart, 'till he be tried in chief authority | it is impossible to know fully any man's character, will, or judgment, until he has been proved by the test of rule and law-giving
English (LSJ)
ὁ,
A actor, reciter of mimes, Ath.Mitt.26.4 (Athens, iii B. C.), Gal.17(2).150. 2 composer, writer of mimes, Ph. 2.345 (pl.), J.Vit.3, AP7.556 (Theod.). II as Adj., metaph., mocking, ἠχὼ μ. APl.4.155 (Euod.).