teetotaller

/tiːˈtəʊtələ, ˈtiːtəʊtələ/

Misollar

My great aunt was a staunch teetotaller.
Tom drank heavily in his youth, but is now a teetotaller.

ot noun

A person who completely abstains from alcoholic beverages.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.