πιστοφύλαξ
From LSJ
Ubi idem et maximus et honestissimus amor est, aliquando praestat morte jungi, quam vita distrahi → Where indeed the greatest and most honourable love exists, it is much better to be joined by death, than separated by life.
English (LSJ)
[ῠ], ᾰκος, ὁ, ἡ,
A guardian of truth, Orph.H.8.17.
German (Pape)
[Seite 621] ακος, Wächter, Wächterinn der Treue, Orph. H. 8, 17.