וְגַם־אֲנִ֞י נָתַ֧תִּי אֶתְכֶ֛ם נִבְזִ֥ים וּשְׁפָלִ֖ים לְכָל־הָעָ֑ם כְּפִ֗י אֲשֶׁ֤ר אֵֽינְכֶם֙ שֹׁמְרִ֣ים אֶת־דְּרָכַ֔י וְנֹשְׂאִ֥ים פָּנִ֖ים בַּתּוֹרָֽה׃ (פ)
Therefore have I also made you Contemptible and base before all the people, According as ye have not kept My ways, But have had respect of persons in the law.
Read halakhic rulings (Jewish law) on Malachi 2:9: and classical halakhic sources.