לְמַ֤עַן שָׂכוּר֙ ה֔וּא לְמַֽעַן־אִירָ֥א וְאֶֽעֱשֶׂה־כֵּ֖ן וְחָטָ֑אתִי וְהָיָ֤ה לָהֶם֙ לְשֵׁ֣ם רָ֔ע לְמַ֖עַן יְחָֽרְפֽוּנִי׃ (פ)
For this cause was he hired, that I should be afraid, and do so, and sin, and that they might have matter for an evil report, that they might taunt me.
Read midrashic interpretation of Nehemiah 6:13: and classical rabbinic exegesis.