λῃστ-ής · lēist-ēs — LSJ
robber, pirate, E. Alc. 766, X. Cyr. 2.4.23, etc.; opp. κλέπτης, Pl. R. 351c; esp. by sea, buccaneer, later πειρατής, And. 1.138, etc.; λῃστοῦ βίον ζῆν Pl. Grg. 507e; ληϊστὴς κατεστήκεε Καρχηδονίων he began a course of piracies upon them, Hdt. 6.17, cf. Th. 1.5, 8, 6.4; οἱ λ. αὑτοὺς ποριστὰς καλοῦσιν Arist. Rh. 1405a25; of irregular troops, IG 12(2).526 (Eresos).
metaph., λ. ἐναργὴς τῆς ἐμῆς τυραννίδος S. OT 535; Κύπριδος Lyc. 1143; λῃστὰ λογισμοῦ, of love, APl. 16.198 (Maec.).