peacekeeper

[ pees-kee-per ]
/ ˈpisˌki pər /

noun

a person who maintains or restores peace and amity; mediator: Mother was the peacekeeper in our family.
a soldier, military force, etc., deployed to maintain or restore peace: American marines sent abroad as peacekeepers.

Origin of peacekeeper

First recorded in 1570–80; peace + keeper

Example sentences from the Web for peacekeeper

  • Peacekeeper commanders allegedly resisted measures to curb such abuses.

    The U.N.'s Congo Disaster |Annie Rashidi-Mulumba |July 6, 2010 |DAILY BEAST
  • His Excellency's Peacekeeper turned to stay facing the dog but found himself turning his back on Peter.

    History Repeats |George Oliver Smith