προηγητής

οῦ, ὁ
A. one who goes before to show the way, guide, S. OT 1292, Ant. 990, Aristid. Or. 41(4).12.
2. one who conducts the bride's car in her procession, ὀρεωκόμον καὶ προηγητὴν ἀκολουθεῖν τῷ ζεύγει Hyp. Lyc. 5, cf. Hsch.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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