Mordecai (or Mordechai, Hebrew: מָרְדְּכַי, Modern: Mordeḵay, Tiberian: Mordǝḵay, IPA: [moʁdeˈχaj]) is one of the main personalities in the Book of Esther in the Hebrew Bible. He is described as being the son of Jair, of the tribe of Benjamin. He was promoted to Vizier after Haman was killed.