Aaron
Exodus 29:36
And thou shalt offer every day a bullock for a sin offering for atonement: and thou shalt cleanse the altar, when thou hast made an atonement for it, and thou shalt anoint it, to sanctify it.
Exodus 29:37
Seven days thou shalt make an atonement for the altar, and sanctify it; and it shall be an altar most holy: whatsoever toucheth the altar shall be holy.
Leviticus 16:18
And he shall go out unto the altar that is before the LORD, and make an atonement for it; and shall take of the blood of the bullock, and of the blood of the goat, and put it upon the horns of the altar round about.
Leviticus 16:29
And this shall be a statute for ever unto you: that in the seventh month, on the tenth day of the month, ye shall afflict your souls, and do no work at all, whether it be one of your own country, or a stranger that sojourneth among you:
Leviticus 16:30
For on that day shall the priest make an atonement for you, to cleanse you, that ye may be clean from all your sins before the LORD.
Leviticus 23:27
Also on the tenth day of this seventh month there shall be a day of atonement: it shall be an holy convocation unto you; and ye shall afflict your souls, and offer an offering made by fire unto the LORD.
Hebrews 1:3
Who being the brightness of his glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;
Hebrews 9:7
But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:
Hebrews 9:22
And almost all things are by the law purged with blood; and without shedding of blood is no remission.
Hebrews 9:23
It was therefore necessary that the patterns of things in the heavens should be purified with these; but the heavenly things themselves with better sacrifices than these.
Hebrews 9:25
Nor yet that he should offer himself often, as the high priest entereth into the holy place every year with blood of others;
sin offering
Leviticus 16:5
And he shall take of the congregation of the children of Israel two kids of the goats for a sin offering, and one ram for a burnt offering.
Leviticus 16:6
And Aaron shall offer his bullock of the sin offering, which is for himself, and make an atonement for himself, and for his house.