sirdar

noun3

1. •
   A high-ranking person in India and other areas of west-central Asia; a chief, a headman.
2. •
   A rank assigned to the commander-in-chief of the Egyptian Army during the British occupation of Egypt.

   • Sir Reginald, as Sirdar of the Egyptian Army, had been put in command of the British military side of the Arab adventure in place of Sir Henry McMahon — 1926
3. •
   The leader of a group of Sherpa mountain guides.