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1. One that preserves or promotes peace: the peacekeeper in the family.
2. A member of a usually armed force engaging in peacekeeping activities, often under international sanction.
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|Noun||1.||peacekeeper - a member of a military force that is assigned (often with international sanction) to preserve peace in a trouble area|
armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"
soldier - an enlisted man or woman who serves in an army; "the soldiers stood at attention"
|2.||peacekeeper - someone who keeps peace; "she's the peacekeeper in that family"|
|3.||peacekeeper - the pistol of a law officer in the old West|