en_tn_lite_do_not_use/lev/07/21.md

whether uncleanness of man, or of unclean beast

Here "man" means humans in general. Alternate translation: "whether of a person or a beast"

or of some unclean, detestable thing

"or of some unclean thing that disgusts Yahweh"

that person must be cut off from his people

A person being excluded from his community is spoken of as if he had been cut off from his people, as one would cut a piece of cloth or cut a branch from a tree. This can be translated in active form. See how you translated this in Leviticus 7:20. (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-activepassive)