Ἑλληνάρχης
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
English (LSJ)
ου, ὁ,
A chief of the Greek community, title at Tanais, IPE2.423, al.
Greek (Liddell-Scott)
Ἑλληνάρχης: ὁ, ἄρχων τῶν Ἑλλήνων, ἄρχων ἐν Σαρματίᾳ, Συλλ. Ἐπιγρ. (προσθῆκαι) 2132d, e.