conduct oneself in a manner that enhances the prestige of Christ

καθήκω impf. 3 sg. καθῆκεν Jdth 11:13 (Aeschyl., Hdt. et al.) to be appropriate, come/reach to, be proper/fitting καθήκουσα ἡ τιμή the proper respect 1 Cl 1:3. Usu. impers. καθήκει it comes (to someone) (X. et al., oft. ins, pap, LXX) foll. by acc. and inf. (Diod S 16, 1, 1; Jos., Ant. 7, 131) οὐ καθῆκεν αὐτὸν ζῆν he should not be allowed to live Ac 22:22 (on the impf. s. B-D-F §358, 2; Rob. 886f).—τὸ καθῆκον what is proper, duty (Menand., Fgm. 532, 2 Kö.; Stoic wr. since Zeno [s. Ltzm., Hdb. on Ro 1:28; GNebel, Her 70, ’35, 439–60; MPohlenz, D. Stoa I /II 4th ed. ’70/72: index]; Polyb. 6, 6, 7; pap and ins [on freq. in both s. M-M.]; EpArist 227; Philo, Leg. All. 2, 32a) πολιτεύεσθαι κατὰ τὸ κ. τῷ Χριστῷ conduct oneself in a manner that enhances the prestige of Christ (dat. of advantage) 1 Cl 3:4 (cp. IG² 1365, 15f). παρὰ τὸ κ. (Diog. L. 7, 108; SIG 643, 6 [171 B.C.]; POxy 1203, 3; Philo, Leg. All. 2, 32b; Jos., Ant. 13, 66): παρὰ τὸ κ. τῆς βουλήσεως αὐτοῦ ποιεῖν τι do anything contrary to the duty imposed by his will 1 Cl 41:3. Pl. τὰ κ. (X., Cyr. 1, 2, 5 al.; EpArist 245; Philo, Leg. All. 1, 56) τὰ μὴ καθήκοντα (UPZ 191, 8 [III B.C.]; 2 Macc 6:4; 3 Macc 4:16) ποιεῖν τὰ μὴ καθήκοντα do what is improper Ro 1:28 (M-JLagrange, Le catalogue des vices dans Ro 1:28–31, RB 8, 1911, 534–49; against Stoic influence: M-M.).—On probability of a contractual metaphor Ro 1:28 s. Danker, Gingrich Festschr., ’72, 95f.—B. 643. DELG s.v. ἥκω. M-M. TW.