سیاه‌پوش

Etymology
From.

Adjective

 * 1) dressed in black; black-robed

Noun

 * 1) mourner
 * 2)  follower of sixteenth-century anti-Safavid rebellions in the northern province of, who dressed in black
 * 3)  member of the Siah-posh Kafirs (a certain clans of pre-Islamic Nuristani society)

Proper noun

 * 1)  (name of several villages in Iran)