νεικεστήρ
From LSJ
καὶ ὑποθέμενος κατὰ τῆς κεφαλῆς φέρειν τὰς πληγάς, ὡς ἐν ἐκείνῃ τοῦ τε κακοῦ τοῦ πρὸς ἀνθρώπους → and having instructed them to bring their blows against the head, seeing that the harm to humans ... (Josephus, Antiquities of the Jews 1.50)
English (LSJ)
ῆρος, ὁ,
A wrangler: c. gen., one who wrangles with, ἐσθλῶν ν. Hes.Op. 716.
German (Pape)
[Seite 236] ῆρος, ὁ, der Zankende, Streitende, Scheltende, ἐσθλῶν, Hes. O. 718.
Greek (Liddell-Scott)
νεικεστήρ: ῆρος, ὁ, ὁ φιλόνικος, κακολόγος ἄνθρωπος, κατήγορος, μετὰ γεν, ὁ ψέγων, κακολογῶν τινα, ἐσθλῶν ν. Ἡσ. Ἔργ. κ. Ἡμ. 714· - παρ’ Ἡσύχ.: «νεικέσσιος· πολέμιος».