Ἑλληνάρχης
From LSJ
ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν → love your neighbor as yourself, thou shalt love thy neighbour as thyself, love thy neighbour as thyself
English (LSJ)
Ἑλληνάρχου, ὁ, 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.