וַאֲנִ֞י אֶתֵּ֤ן אֶת־פָּנַי֙ בָּאִ֣ישׁ הַה֔וּא וְהִכְרַתִּ֥י אֹת֖וֹ מִקֶּ֣רֶב עַמּ֑וֹ כִּ֤י מִזַּרְעוֹ֙ נָתַ֣ן לַמֹּ֔לֶךְ לְמַ֗עַן טַמֵּא֙ אֶת־מִקְדָּשִׁ֔י וּלְחַלֵּ֖ל אֶת־שֵׁ֥ם קָדְשִֽׁי׃
I also 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.
Read kabbalistic (mystical) interpretation of Leviticus 20:3: and classical mystical sources.