war victims; war sufferers
Refers to people who have suffered damage or loss due to war, including civilians and soldiers.
Support for war victims is an urgent task.
He was recognized as a war victim.
戦争被害者 is a more explicit phrase meaning 'war victim', while 戦災者 is a compact compound.
Compound of 戦 (war), 災 (disaster), and 者 (person).