Hebrews 5:3
And because of this he is obligated to offer [sacrifices] for his own sins also, as well as the people's sins.
Hebrews 5:1
For every head priest is chosen from among men, and is appointed on behalf of people, to offer both gifts and sacrifices for sins.
Hebrews 9:7
But [only] once a year the head priest goes alone into the inner room [i.e., Holy of Holies], and never without [animal] blood, which he offers [as a sacrifice] for himself and for the sins done in ignorance by the people.
Hebrews 7:27-28
He does not need to offer up [animal] sacrifices every day like those head priests did [Note: The head priest here is represented as being in charge of the daily sacrifices offered by the other priests], first for His own sins and then for the people's sins. For He did this once for all time when He offered up Himself [on the cross].