ἐξαρχέτης

From LSJ

ψυχῆς ἀγῶνα τὸν προκείμενον πέρι δώσων → to stand the appointed trial for his life, to stand the appointed struggle for life and death

Source

Spanish (DGE)

-ου, ὁ iniciador, promotor, instructor ὁ ἐ. ἡμετέρας εὐφημίας prob. de Dios PKell.G.94.1 (IV d.C.).