βαλνικάριος

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.

Source

Spanish (DGE)

-ου, ὁ bañero, Corinth.8(3).534.5 (III/IV d.C.).