Agent noun of abstain; one who abstains; especially, one who abstains from something they enjoy, such as the use of intoxicating liquors, or one who abstains for religious reasons; one who practices self-denial. [First attested around 1350 to 1470.]
Origin of abstainer
From Middle English absteiner, from absteinen (“to abstain”).
Abstainer Sentence Examples
to £2 a week, who is frequently a total abstainer, and a labourer of inferior capacity and character earning 15s.
"Total abstinence" and "total abstainer" are associated with taking the pledge to abstain from alcoholic liquor (see Temperance).