Leviticus 5:18
and must bring a flawless ram from the flock, convertible into silver shekels, for a guilt offering to the priest. So the priest will make atonement on his behalf for his error which he committed (although he himself had not known it) and he will be forgiven.
Leviticus 5:15-16
"When a person commits a trespass and sins by straying unintentionally from the regulations about the Lord's holy things, then he must bring his penalty for guilt to the Lord, a flawless ram from the flock, convertible into silver shekels according to the standard of the sanctuary shekel, for a guilt offering.
Leviticus 1:4
He must lay his hand on the head of the burnt offering, and it will be accepted for him to make atonement on his behalf.
Leviticus 4:20
He must do with the rest of the bull just as he did with the bull of the sin offering; this is what he must do with it. So the priest will make atonement on their behalf and they will be forgiven.
Leviticus 6:6-7
Then he must bring his guilt offering to the Lord, a flawless ram from the flock, convertible into silver shekels, for a guilt offering to the priest.
1 Timothy 2:5-6
For there is one God and one intermediary between God and humanity, Christ Jesus, himself human,