Moses
Leviticus 20:3ESV·traditional attribution

I myself will set my face against that man and will cut him off from among his people, because he has given one of his children to Molech, to make my sanctuary unclean and to profane my holy name.

Matthew Henry Presbyterian @wholebiblehenry

Moses is here directed to say that again to the children of Israel which he had in effect said before, Lev 20:2. We are sure it was no vain repetition, but very necessary, that they might give the more earnest heed to the things that were spoken, and might believe them to be of great consequence, being so often inculcated.

Commenting on Leviticus 20:1-9

John Gill Reformed Baptist @doctorgill

And I will set my face against that man,.... Express resentment, anger, wrath, and indignation at him, see Psa 34:16, and will cut him off from among his people: that is, supposing him to have been guilty of the above horrid crime, and there being not sufficient evidence given of it by witnesses, or the magistrates negligent in doing their duty; and the matter being...

Geneva Bible Notes Reformed @genevanotes

And I will set my face against that man, and will cut him off from among his people; because he hath given of his seed unto Molech, to defile my sanctuary, and to profane my holy name. (b) Read .