- peacekeeper - a member of a military force that is assigned (often with international sanction) to preserve peace in a trouble area
--1 is a kind of soldier
- peacekeeper - someone who keeps peace; "she's the peacekeeper in that family"
--2 is a kind of defender, guardian, protector, shielder
- peacekeeper - the pistol of a law officer in the old West
--3 is a kind of pistol, handgun, side arm, shooting iron
- peacekeeper - someone who keeps peace; "she's the peacekeeper in that family"