abstainer /æbˈsteɪ.nɚ/ noun1 •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.'Never himself touches a drop of the stuff, you understand. Having been an abstainer since the age of seven or something. A clerky figure even as a child.' — 1990 formsabstainers