Uyâk

Ujâk was a Rank in the military organisation of Gorgoroth. It was equivalent to a captain or major.An Ujâk usually was in command of a company of about 10 warriors.Ten Ujâki were subordinate to a Drartûl or Dûrothar.

Other orc tribes used different names for a similar rank, for example Slasher, Krirúk or Shufargong.