He is described in Surah Al-Kahf, as a righteous servant of God possessing great wisdom or mystic knowledge. Mystic, Green One, The Verdant One, Teacher of the Prophets, Sayyidina, GuideĪl-Khidr ( / ˈ x ɪ d ə r/) ( Arabic: ٱلْخَضِر, romanized: al-Khaḍir also transcribed as al-Khadir, Khader, Khidr, Hidr, Khizr, Kathir, Khazer, Khadr, Khedher, Khizir, Khizar, Khilr) is a figure not mentioned by name in the Quran.