The kohen is to make atonement for him with the ram of the trespass offering before Adonai for his sin that he committed, and the sin that he committed will be forgiven him.
“If anyone commits a faithless act and sins unwittingly against the holy things of Adonai, then he is to bring his trespass offering to Adonai: a ram without blemish from the flock, according to your value in silver shekels after the shekel of the Sanctuary, for a trespass offering.
“But if one cannot afford a lamb, then he shall bring, as his trespass offering for the sin he committed, two turtledoves or two young pigeons, to Adonai. One is for a sin offering and the other for a burnt offering.