Peacenik (noun)

A person who advocates for peace, especially during times of war or conflict.

Origin:

1960s; earliest use found in new york times. blend of peace + beatnik.

Examples:

1. The peaceniks organized a protest against the war in the city center.
2. She was known as a peacenik for her activism against nuclear weapons.
3. The peaceniks held signs that read 'Make Love Not War' at the rally.
4. The young man was a self-proclaimed peacenik and refused to serve in the military.
5. The peaceniks marched from the park to the government building to demand peace negotiations.