νομοφύλαξ · nomophylax — LSJ
guardian of the laws, title of officials appointed to watch over the laws and their observance, Pl. Lg. 755a, 770c, etc.; οἱ ν. ἀριστοκρατικόν Arist. Pol. 1323a8, cf. Cic. Legg. 3.20.46; at Athens, Philoch. 141b, etc.; at Sparta, Paus. 3.11.2, IG 5(1).31, al.; at Thasos, BCH 52.55 (iv/iii B.C.); at Alexandria, PHal. 1.42 (iii B.C.), prob. in Mitteis Chr. 369 i 33 (iii B.C.); at Priene, SIG 282.17 (iv B.C.); at Cyrene, Abh.Berl.Akad. 1925(5).7 (iii B.C.).
observer of the law, σὺ ἡ ν. LXX l.c.
minor official under control of village elders, with police and fiscal duties, PAmh. 2.108.8, BGU 759.20, PRyl. 122.7, POxy. 1440.7 (all ii A.D.).