Observe, the atonement is made by the priest; that is, as typical of CHRIST. Isaiah 53:10.
Related Commentaries of Leviticus 5:6
Leviticus 5:6
6 And he shall bring his trespass offering unto the LORD for his sin which he hath sinned, a female from the flock, a lamb or a kid of the goats, for a sin offering; and the priest shall make an atonement for him concerning his sin.