וְהָאִ֞ישׁ אֲשֶׁר־יַעֲשֶׂ֣ה בְזָד֗וֹן לְבִלְתִּ֨י שְׁמֹ֤עַ אֶל־הַכֹּהֵן֙ הָעֹמֵ֞ד לְשָׁ֤רֶת שָׁם֙ אֶת־יְהוָ֣ה אֱלֹהֶ֔יךָ א֖וֹ אֶל־הַשֹּׁפֵ֑ט וּמֵת֙ הָאִ֣ישׁ הַה֔וּא וּבִֽעַרְתָּ֥ הָרָ֖ע מִיִּשְׂרָאֵֽל׃
Et celui qui, téméraire en sa conduite, n’obéirait pas à la décision du pontife établi là pour servir l’Éternel, ton Dieu, ou à celle du juge, cet homme doit mourir, pour que tu fasses disparaître ce mal en Israël;
Chizkuni
העומד לשרת, (to the priest) “the one who stands to minister;” the reason the Torah adds the word: העומד, is to teach that service in the Temple, or ritual service generally, must be performed while standing. (Sifri)
Ibn Ezra
that man will die The Court will execute him, the reason being that All Israel should hear, and fear. Having mentioned the sovereign [comment on: 9], Scripture now lists the laws that he is obliged to keep.
Sforno
והאיש אשר יעשה בזדון, who deliberately hands down a ruling to be applied forthwith, which is against that handed down by the Supreme Court, ומת האיש ההוא, he is to be executed at the behest of the Supreme Court, and thereby all the people will hear about it and the absolute authority of the Sanhedrin will be preserved and the people will remain in awe of it.