lance corporal

noun
1.
U.S. Marine Corps. an enlisted person ranking between private first class and corporal.
2.
British Military.
  1. a corporal of the lowest rank.
  2. (formerly) a private acting as corporal without increased pay.
Origin
1780-90; lance, shortened form of earlier lancepesade < Middle French lancepessade lowest ranking grade of noncommissioned officer < Italian lancia spezzata superior soldier, literally, broken lance1 (from having shivered many lances, i.e., fought well in many battles)
British Dictionary definitions for lance corporal

lance corporal

noun
1.
a noncommissioned officer of the lowest rank in the British Army