Ἑλληνιστής

English (LSJ)

οῦ, ὁ,

   A one who uses the Greek language: a Greek Jew, Act.Ap.6.1, etc.    II gentile, heathen, Jul.Ep.84a.

Greek (Liddell-Scott)

Ἑλληνιστής: -οῦ, ὁ, ὁ χρώμενος τῇ Ἑλληνικῇ γλώσσῃ, ὅ ἐ. ἐν τῇ Κ. Δ. Ἰουδαῖος τὴν Ἑλληνικὴν ὁμιλῶν, Πράξεις Ἀποστ. ϛ΄, 1, κτλ. ΙΙ. παρὰ μεταγεν. Ἐκκλ. ἐνίοτε, ὡς τὸ Ἕλλην Ι. 4, ἐθνικός.

English (Strong)

from a derivative of Ἕλλην; a Hellenist or Greek-speaking Jew: Grecian.