Leviticus / Question
Leviticus describes bringing a sin offering when a person commits an unintentional violation and later realizes it. The offender brings the prescribed animal, the priest performs the blood and fat rites, and atonement is made. The text emphasizes this process for different social roles and situations (Leviticus 4:27–31; Leviticus 4:35).
Leviticus 4:27–35 explains what an ordinary Israelite should do after unintentionally doing something Yahweh had forbidden. Once the person realizes the wrongdoing, they must bring a female goat or a female lamb with no defect. The worshiper identifies with the animal by placing a hand on its head and then kills it at the usual slaughter place. This unit sits inside a longer set of instructions about purification offerings for unintentional wrongdoing (Leviticus 4).
This passage assumes that ordinary people can become “guilty” before Yahweh through actions that break Yahweh’s commands even when done unintentionally (explicit). It also assumes that wrongdoing can be recognized later (“when it is made known”), and that recognition triggers a set, public ritual rather than a private, improvised response (explicit).
A careful answer keeps the immediate passage, the book's argument, and the whole-Bible storyline together, so the question is answered in context instead of as a detached idea.
Start with Leviticus 4:27-31, then read the surrounding section so the answer stays connected to the passage's flow.
27If anyone of the common people sin unwittingly, in doing any of the things which Yahweh has commanded not to be done, and be guilty;
28if his sin, which he has sinned, be made known to him, then he shall bring for his offering a goat, a female without blemish, for his sin which he has sinned.
29He shall lay his hand on the head of the sin-offering, and kill the sin-offering in the place of burnt offering.
30The priest shall take of the blood of it with his finger, and put it on the horns of the altar of burnt offering; and all the blood of it shall he pour out at the base of the altar.
31All the fat of it shall he take away, as the fat is taken away from off the sacrifice of peace-offerings; and the priest shall burn it on the altar for a sweet savor to Yahweh; and the priest shall make atonement for him, and he shall be forgiven.