Hebrews 9:7

and into the second comes the high priest alone once a year, not without blood, which he offers for himself, and the errors of the people;

Hebrews 5:2-3

being able to sympathize with the ignorant and erring, since himself is also compassed about with infirmity;

Hebrews 7:27

who had not daily need, as the high priests, first to offer up sacrifices for their own sins, then those of the people: for he did this, having offered up himself once.

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
and into the second comes the high priest alone once a year, not without blood, which he offers for himself, and the errors of the people;

An atonement, for himself

Hebrews 5:2
being able to sympathize with the ignorant and erring, since himself is also compassed about with infirmity;