From Longman Dictionary of Contemporary Englishnon-combatantˌnon-ˈcombatant / $ ˌ..ˈ../ noun [countable] 1 PMsomeone who is in the army, navy etc during a war but who does not actually fight, for example an army doctor2 someone who is not in the army, navy etc during a war SYN civilian —non-combatant adjective non-combatant military advisers
Examples from the Corpus
non-combatant• For the non-combatant was not to be merely the quiet underwriter of his country's military undertakings.• The holy warriors don't notice the non-combatant. 