Leviticus 21:1-4
Those who serve before God must guard their purity because of their sacred role.
1 Yahweh said to Moses, “Speak to the priests, the sons of Aaron, and say to them, ‘A priest shall not defile himself for the dead among his people,
2 except for his relatives that are near to him: for his mother, for his father, for his son, for his daughter, for his brother,
3 and for his virgin sister who is near to him, who has had no husband; for her he may defile himself.
4 He shall not defile himself, being a chief man among his people, to profane himself.
Those who serve before God must guard their purity because of their sacred role.
This passage instructs priests regarding restrictions on contact with the dead, limiting defilement to close family members in order to preserve their ritual purity for service before the LORD.
After Leviticus 17-20 addressed Israel's holiness in worship, sexuality, justice, and covenant separation, Leviticus 21 narrows the focus to the priests. The priests are not exempt from holiness; they are held to a heightened standard because their service represents Israel before the LORD and guards the sanctity of the sanctuary.
Leviticus 21 addresses the Aaronic priests in Israel's wilderness covenant setting. In a sanctuary order where priests handle sacrifices, approach sacred space, and represent the people, corpse-contact regulations guarded the symbolic distinction between the holy presence of the living God and the defiling reality of death. The commands assume the wider purity system already established in Leviticus 11-15 and the priestly role displayed in Leviticus 8-10.
Priestly Holiness, Nearness to God, and the Sanctity of Those Who Offer the LORD's Food
Those who draw near to offer the LORD's food must bear heightened holiness, because priestly nearness to God requires purity in death contact, mourning, marriage, household order, bodily wholeness, and sanctuary approach.