A(n) is a person who is not actively involved in a nation’s armed forces.
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Civilian

A civilian is a person who is not actively involved in a nation's military, police or firefighting force. The word derives from the idea of "civil law." During conflict, civilians are entitled to receive certain privileges under customary international law. The term is often used interchangeably with "non-combatant."

the deaths of over a million communist soldiers

post-traumatic stress disorder in veterans