John Gill Commentary Leviticus 7:20

"but the soul that eateth of the flesh of the sacrifice of peace-offerings, that pertain unto Jehovah, having his uncleanness upon him, that soul shall be cut off from his people." — Leviticus 7:20 (ASV)

But the soul that eats [of] the flesh of the sacrifice
of the peace offerings, that [pertain] to the Lord
That are offered up to him, and so are holy, and therefore not to be eaten by unholy persons, or by any

having his uncleanness upon him ;
a profluvious person that has an issue running out of him, a gonorrhoea; see (Leviticus 15:2)

even that soul shall be cut off from his people ;
be disfranchised as an Israelite, be debarred the privileges of the sanctuary, or be cut off by death before the usual time and term of man's life; so those that eat and drink unworthily in the supper of our Lord, where his flesh is eaten and his blood drank, eat and drink damnation to themselves, (1 Corinthians 11:29) .