'Atonement' in the Bible
They shall eat those things with which atonement was made, to consecrate and sanctify them: but a stranger shall not eat of it, because they are holy.
Every day you shall offer the bull of sin offering for atonement: and you shall cleanse the altar, when you make atonement for it; and you shall anoint it, to sanctify it.
Seven days you shall make atonement for the altar, and sanctify it: and the altar shall be most holy; whatever touches the altar shall be holy.
Aaron shall make atonement on its horns once in the year; with the blood of the sin offering of atonement once in the year he shall make atonement for it throughout your generations. It is most holy to Yahweh."
The rich shall not give more, and the poor shall not give less, than the half shekel, when they give the offering of Yahweh, to make atonement for your souls.
You shall take the atonement money from the children of Israel, and shall appoint it for the service of the Tent of Meeting; that it may be a memorial for the children of Israel before Yahweh, to make atonement for your souls."
It happened on the next day, that Moses said to the people, "You have sinned a great sin. Now I will go up to Yahweh. Perhaps I shall make atonement for your sin."