And they shall not profane the holy things of the children of Israel, which they offer unto the Lord. By causing or suffering strangers to eat of them; so Jarchi, referring the words to the priests, who should be careful that strangers ate not of sacred things; or by the strangers themselves eating them, whereby they were profaned and used as common things.
Related Commentaries of Leviticus 22:15
Leviticus 22:15
15 And they shall not profane the holy things of the children of Israel, which they offer unto the LORD;