Pashtun

Short definition from Wiktionary

Adjective

1. 1
   Of or relating to the Pashtuns (a segmentary-lineage ethnic group currently numbering some 50 million people, which is the largest ethnic group in Afghanistan and the second largest in Pakistan), or to their culture.

Noun

1. 1
   A member of the Pashtun ethnic group, or of a Pashtun tribe.
2. 2
   A Pashto-speaking person.

Proper noun

1. 1
   Pashto: the language of the Pashtun ethnic group.