Synonyms of non-combatant

1 Syllable
cool, calm
2 Syllables
inert, easy, aloof
3 Syllables
fair-minded, unbiased, detached, nonchalant, relaxed, collected, clinical, bystanding
4 Syllables
poker-faced, indifferent, impersonal, evenhanded, inactive, uninvolved, nonpartisan, nonaligned, uncommitted, middle-of-road, pacifistic, unaligned, unconcerned, disengaged, undecided
5 Syllables
disinterested, dispassionate, unprejudiced, nonbelligerent
6 Syllables
nonparticipating