Khadr or Khader, Kheder, Khidr/Khizr, Khodr, Khudr, Xidir etc.
are romanizations of خضر, an Arabic given name and surname.
In surnames, it is sometimes accompanied by the definite article Al- (خضر, romanized as Al-Khodr, Al-Kheder, Al-Khudr, etc.).
The Arabic word denotes the colour green, and Khidr or Al-Khidr ('the green one'), is a figure in Islam and related religions.
Khidr or Khizr (al-Khidr, al-Khizr, Arabic: الخضر, romanized: al-Ḫiḍr, lit.