συνδιάκτορος
From LSJ
Κύριε, σῶσον τὸν δοῦλον σου κτλ. → Lord, save your slave ... (mosaic inscription from 4th cent. church in the Negev)
English (LSJ)
ὁ,
A fellow-διάκτορος, of Hermes, Luc.Cont.1.
German (Pape)
[Seite 1007] ὁ, der mit überfährt, Luc. Cont. 1.