a leper

Leviticus 13:2, 3, 44-46
"When someone has a swelling or rash or bright spot on his skin that could become an infectious skin disease, he must be brought to Aaron the priest or to one of his sons who is a priest. . . .

Leviticus 15:2, 3
"Say to the Israelites, 'When any man has a bodily discharge, the discharge is unclean. . . .

holy things

Leviticus 2:3, 10
The remainder of the grain offering will belong to Aaron and his sons; it is a most holy part of the offerings made by fire to the LORD. . . .

Leviticus 6:25-29
"Tell Aaron and his sons, 'This is the law of the sin offering: In the place where the burnt offering is slaughtered, the sin offering shall be killed before the LORD; it is most holy. . . .

Leviticus 21:22
He may eat the most holy food of his God as well as the holy food,

Numbers 18:9, 19
A portion of the most holy offerings reserved from the fire will be yours. From all the offerings that they give Me, whether grain offerings, sin offerings, or guilt offerings, it shall be most holy to you and your sons. . . .

until

Leviticus 14:2
"This is the law of the one afflicted with a skin disease on the day of his cleansing, when he is brought to the priest.

Leviticus 15:13-15
When the man has been cleansed from his discharge, he must count off seven days for his cleansing, wash his clothes, and bathe himself in fresh water, and he shall be clean. . . .

unclean

Leviticus 21:1
Then the LORD said to Moses, "Speak to Aaron's sons, the priests, and tell them: 'A priest is not to defile himself for a dead person among his people,

Numbers 19:11-16
Whoever touches any dead body will be unclean for seven days. . . .

whose

Leviticus 15:16
When a man has an emission of semen, he must bathe his whole body with water, and he will be unclean until evening.