Hebrews 9:7

But into the second, the High Priest goes only on one day of the year, and goes alone, taking with him blood, which he offers on his own behalf and on account of the sins which the people have ignorantly committed.

Hebrews 5:2-3

and must be one who is able to bear patiently with the ignorant and erring, because he himself also is beset with infirmity.

Hebrews 7:27

who, unlike other High Priests, is not under the necessity of offering up sacrifices day after day, first for His own sins, and afterwards for those of the people; for this latter thing He did once for all when He offered up Himself.

Treasury of Scripture Knowledge

Summary

And Aaron shall offer his bullock of the sin offering, which is for himself, and make an atonement for himself, and for his house.

Which

An atonement, for himself

Bible References

Which

Hebrews 9:7
But into the second, the High Priest goes only on one day of the year, and goes alone, taking with him blood, which he offers on his own behalf and on account of the sins which the people have ignorantly committed.

An atonement, for himself

Hebrews 5:2
and must be one who is able to bear patiently with the ignorant and erring, because he himself also is beset with infirmity.