0 a person who tries to prevent or stop arguments or fighting between two or more people or groups:
1 a special soldier whose only job is to stop violence in a troubled area:
The union leader has acted as a peacekeeper in the industry, working with industry executives to reduce labour costs.
He was a former Los Angeles gang member who became a peacekeeper respected by street toughs as well as by law enforcement agencies.
United Nations peacekeepers have served in volatile and often controversial missions.
The United Nations has deployed about 750 peacekeepers in the streets, according to news dispatches.
