1. a person who works to prevent or stop conflicts and maintain peace
2. a member of an international military force sent to help maintain peace in a conflict area
Usage: military

Examples

• The teacher acted as a peacekeeper when the students started arguing.
• UN peacekeepers were deployed to the region after the ceasefire.
• She has always been the peacekeeper in her family during disputes.
• The peacekeepers helped distribute aid to refugees.
• As the eldest sibling, he often served as the peacekeeper among his brothers.
• International peacekeepers monitored the border for violations.
• The community leader was known as an effective peacekeeper.