וְכָל־עַבְדֵ֨י הַמֶּ֜לֶךְ אֲשֶׁר־בְּשַׁ֣עַר הַמֶּ֗לֶךְ כֹּרְעִ֤ים וּמִֽשְׁתַּחֲוִים֙ לְהָמָ֔ן כִּי־כֵ֖ן צִוָּה־ל֣וֹ הַמֶּ֑לֶךְ וּמָ֨רְדֳּכַ֔י לֹ֥א יִכְרַ֖ע וְלֹ֥א יִֽשְׁתַּחֲוֶֽה׃
Rashi on Esther
Kneeled and prostrated themselves. Because he made himself as a god;2Esther Rabbah 7:5. Alternatively, his robes were decorated with idols. (Ibn Ezra) therefore, “but Mordechai would neither kneel nor prostrate himself.”