Leviticus 13:8

8 And if the priest sees that the scab has indeed spread on the skin, then the priest shall pronounce him unclean. It is 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 Then the priest shall examine him again on the seventh day; and indeed if the sore has faded, and the sore has not spread on the skin, then the priest shall pronounce him clean; it is only a scab, and he shall wash his clothes and be clean.

7 But if the scab should at all spread over the skin, after he has been seen by the priest for his cleansing, he shall be seen by the priest again.

8 And if the priest sees that the scab has indeed spread on the skin, then the priest shall pronounce him unclean. It is leprosy.

9 "When the leprous sore is on a person, then he shall be brought to the priest.

10 And the priest shall examine him; and indeed if the swelling on the skin is white, and it has turned the hair white, and there is a spot of raw flesh in the swelling,