never smoker

Noun

 * 1) * 1937, The Journal of School Health, American School Health Association, page 144,
 * By smoking twenty to thirty cigarettes a day for twenty-five years or more, a man ups his risk twenty-two times over that of a never smoker.
 * By smoking twenty to thirty cigarettes a day for twenty-five years or more, a man ups his risk twenty-two times over that of a never smoker.

Usage notes

 * The hyphenated spelling never-smoker is much more common when the noun is used attributively — that is, when it's used to modify another noun, as in "never-smoker males".