en_tn/lev/13/03.md

General Information:

Yahweh continues telling Moses and Aaron what the people must do.

skin of his body

Here "his" refers to the person with the skin disease.

leprosy

See how you translated this in Leviticus 13:3.

he must pronounce him unclean

"the priest must pronounce the man unclean." The man whom other people must not touch is spoken of as if he were physically unclean. (See: rc://en/ta/man/jit/figs-metaphor)