Numbers 15:25

25The priest must then make
atone/ atonement: A theological term for God's provision to deal with human sin. In the OT, it primarily means purification. In some contexts forgiveness, pardon, expiation, propitiation, or reconciliation is included. The basis of atonement is substitutionary sacrifice offered in faith. The OT sacrifices were types and shadows of the great and final sacrifice of Jesus on the cross.
atonement for the entire Israelite community so that they may be forgiven, for the sin was unintentional. They are to bring their offering, one made by fire to the Lord, and their sin offering before the Lord for their unintentional sin.
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