προποδηγός
From LSJ
Τί κοινότατον; ἐλπίς. καὶ γὰρ οἷς ἄλλο μηδέν, αὕτη πάρεστι → What is most common? Hope. For those who have nothing else, that is always there.
English (LSJ)
Dor. προποδ-ᾱγός, όν,
A going before to show the way, guide, Plu.2.58oc; σκίπωνα προποδαγόν AP6.294 (Phan.): fem. προποδ-ηγέτις, ιδος, Orph.A. 342.