Who were people who refused to fight in wars?

Answer 1

Any person known as a conscientious objector.

As a Muslim, Mohammad Ali was well known for his refusal to join the US Army in Vietnam. Mennonites/Amish and Jehovah Witnesses, also are strong advocates against violence and war and refuse to serve in any armed service which would kill another human. Some have been imprisoned, tortured or even put to death in other countries for keeping their faith and beliefs.

Answer 2

Conscientious objectors are individuals who refuse to engage in combat or serve in the military due to moral, ethical, or religious beliefs. They often seek alternative service, such as non-combat roles or community work, as a way to contribute to society without violating their principles. Famous examples include Mahatma Gandhi and Martin Luther King Jr.