abstainer means one who abstains; especially, one who abstains from something, such as the use of alcohol or drugs, or one who abstains for religious reasons; one who practices self-denial. Lexicurio rates it Rare gem — a strength score of 84 out of 100.
noun
- One who abstains; especially, one who abstains from something, such as the use of alcohol or drugs, or one who abstains for religious reasons; one who practices self-denial.“To one of my very nervous patients, who was an abstainer, whose fancy was fixed on his mother, and who repeatedly dreamed of climbing stairs accompanied by his mother, I once remarked that moderate masturbation would be less harmful to him than enforced abstinence.”