JMNT(i)
14 Since, then, the young children have participated in and commonly shared existence of blood and flesh (= humanity), He also, nearly alongside [them], shared theirs in common (partook of the [ingredients] which comprise them), in order that through means of death He might render useless (or: deactivate; idle-down; discard) the one normally having the strength (or: the person presently holding the force) of death (or: which is death; or: whose source is death), that is, the adversary (or: that which throws folks into dualism with divided thinking and perceptions; or: the one that throws something through the midst and casts division; the one who thrusts things through folks; the slanderer who accuses and deceives; or, commonly called: the "devil"),
15 and would set them free (or: could fully change and transform these; or: should move them away to another [situation; existence]): as many as were through all of life held within slavery by fear of death (or: in fear, from death: or: with fear, which is death)!
16 For doubtless (or: assuredly; I hardly need say) it [i.e., fear of death] is not normally taking hold upon [the] messenger-agents (or: folks with the message), but even so it is repeatedly and progressively taking hold upon (seizing) Abraham's seed (= descendants).
17 Wherefore, He was indebted (or: obliged) to be assimilated by (or: made like or similar to) the brothers in accord with all things (or: concerning everything; = in every respect; or: in correlation to all people), so that He might become a merciful and a faithful (or: loyal) Chief Priest (Leading, Ruling or Beginning Priest) [in regard to] the things toward God, into the [situation] to be repeatedly and continuously overshadowing the failures (mistakes; errors; misses of the target; sins) of the People with a gentle, cleansing shelter and covering.
18 For you see, in what He has experienced Himself, having been tried in ordeals, He is able to run to the aid of those who cry for help – those being tried (put through ordeals).