English Standard Version (ESV)
“13 Therefore take up the whole armor of ‘God’ [ha-‘Elohiym: the-Magistrates, the-Judges, etc..], that you may be able to withstand in the evil day, and having done all, to stand firm.”
Strong’s Hebrew Lexicon:
G-d: 430 ‘elohiym el-o-heem’ plural of 433; gods in the ordinary sense; but specifically used (in the plural thus, especially with the article) of the supreme God; occasionally applied by way of deference to magistrates; and sometimes as a superlative:–angels, X exceeding, God (gods)(-dess, -ly), X (very) great, judges, X mighty.
Stand Firm (have ‘Faithfulness’): 3559 kuwn koon a primitive root; properly, to be erect (i.e. stand perpendicular); hence (causatively) to set up, in a great variety of applications, whether literal (establish, fix, prepare, apply), or figurative (appoint, render sure, proper or prosperous):–certain(-ty), confirm, direct, faithfulness, fashion, fasten, firm, be fitted, be fixed, frame, be meet, ordain, order, perfect, (make) preparation, prepare (self), provide, make provision, (be, make) ready, right, set (aright, fast, forth), be stable, (e-)stablish, stand, tarry, X very deed.