Introducing a continued, explanatory discussion. Comp. Gal 3:17; Gal 5:16; 1Co 1:12.
The heir (ὁ κληρονόμος)
See on inheritance, 1Pe 1:4. The article is generic as in the mediator, Gal 3:20.
A child (νήπιος)
A minor. See on 1Co 3:1. Used by Paul in contrast with τέλειος full grown. See Eph 4:13; 1Co 14:20; Phi 3:15. The Jews called proselytes or novices babes. See Rom 2:20.