αἰκίστριος

From LSJ

ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλοςlife is not worth living if you do not have at least one friend

Source

Spanish (DGE)

-ου torturador Sud.s.u. αἰκίστρια.