Hebrews 7:22

22This makes Jesus the guarantor of aa better covenant.

Hebrews 9:11-15

Redemption Through the Blood of Christ

11But when Christ appeared as a high priest bof the good things that have come,
Some manuscripts  good things to come
then through dthe greater and more perfect tent ( enot made with hands, that is, not of this creation)
12he fentered gonce for all into the holy places, not by means of hthe blood of goats and calves but iby means of his own blood, jthus securing an eternal redemption. 13For if kthe blood of goats and bulls, and the sprinkling of defiled persons with lthe ashes of a heifer, sanctify
Or  For if the sprinkling of defiled persons with the blood of goats and bulls and with the ashes of a heifer sanctifies
for the purification of the flesh,
14how much more will nthe blood of Christ, who through the eternal Spirit ooffered himself without blemish to God, ppurify our
Some manuscripts your
conscience rfrom dead works sto serve the living God.

15Therefore he is tthe mediator of a new covenant, so that uthose who are called may vreceive the promised eternal inheritance, wsince a death has occurred that redeems them from the transgressions committed under the first covenant.
The Greek word means both  covenant and will; also verses 16, 17
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