For every high priest who is taken from men is appointed to officiate on behalf of men in matters relating to God, that is, to offer gifts and sin-offerings.

and so is obliged to offer sin-offerings, not only for the people but for himself as well.

"Sacrifice and offering you did not wish, but a body you have prepared for me; in burnt-offerings and sin-offerings you never took delight.

Although at first He said, "You never wished or took delight in sacrifices and offerings, burnt-offerings and sin-offerings" -- all of which are repeatedly offered in accordance with the law --

For the bodies of those animals, whose blood is taken into the sanctuary by the priest as a sin-offering, are burned outside the camp.