מָגֵן
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (Strong)
also (in plural) feminine mginnah; from גָּנַן; a shield (i.e. the small one or buckler); figuratively, a protector; also the scaly hide of the crocodile: X armed, buckler, defence, ruler, + scale, shield.