abstainer

noun

1. A person who chooses not to drink alcohol, use drugs, or take part in a particular activity.

   B1

   countableneutral

   • "As an abstainer, she never drinks at parties."B1
   • "Many abstainers participate in sobriety groups to support their lifestyle."B2
   • "The group welcomes both moderate drinkers and complete abstainers."B2

2. A person who does not vote in a decision or election.

   C1

   countableformal

   • "Three members were abstainers in the final vote."B2
   • "The resolution passed despite several abstainers among the committee members."C1