noncombatant

nouns

a member of the armed forces who does not participate in combat (e.g. a chaplain or surgeon)
is a type of (narrower)
someone who serves in the armed forces; a member of a military force
"two men stood sentry duty"

adjectives

used of civilians in time of war
is similar to
associated with civil life or performed by persons who are not active members of the military
"civilian clothing"; "civilian life"
member of armed forces whose duties do not include fighting as e.g. a chaplain or surgeon
is similar to
associated with or performed by members of the armed services as contrasted with civilians
"military police"