מַחֲטִיאֵ֤י אָדָם֙ בְּדָבָ֔ר וְלַמּוֹכִ֥יחַ בַּשַּׁ֖עַר יְקֹשׁ֑וּן וַיַּטּ֥וּ בַתֹּ֖הוּ צַדִּֽיק׃ (ס)
That make a man an offender by words, and lay a snare for him that reproveth in the gate, And turn aside the just with a thing of nought.
Read midrashic interpretation of Isaiah 29:21: and classical rabbinic exegesis.