Leviticus 13:8

8 and the priest shall look upon him; and, behold, the mark have spread in the skin, then the priest shall pronounce him unclean: it is a leprosy.

Leviticus 13:8 Meaning and Commentary

Leviticus 13:8

And [if] the priest see that, behold, the scab spreadeth in
the skin
Is not at a stay, as when he looked at it a second and third time:

then the priest shall pronounce him unclean;
a leprous person; to be absolutely so, as Jarchi expresses it; and so obliged to the birds (to bring birds for his cleansing), and to shaving, and to the offering spoken of in this section, as the same writer observes:

it [is] a leprosy:
it is a clear and plain case that it was one, and no doubt is to be made of it, it is a spreading leprosy: as sin is; it spreads itself over all the powers and faculties of the soul, and over all the members of the body; and it spreads more and more in every stage of life, unless and until grace puts a stop to it.

Leviticus 13:8 In-Context

6 And the priest shall look upon him the second time on the seventh day; and, behold, the spot be dark, the spot have not spread in the skin, then the priest shall pronounce him clean; for it is a mark, and the man shall wash his garments and be clean.

7 But if the bright spot should have changed and spread in the skin, after the priest has seen him for the purpose of purifying him, then shall he appear the second time to the priest,

8 and the priest shall look upon him; and, behold, the mark have spread in the skin, then the priest shall pronounce him unclean: it is a leprosy.

9 And if a man have a plague of leprosy, then he shall come to the priest;

10 and the priest shall look, and, behold, if it is a white spot in the skin, and it has changed the hair to white, and some of the sound part of the quick flesh in the sore—