English to English

noun (n)

• someone who practices self denial as a spiritual discipline(noun.person)

  Synonym:
  ascetic
  

  source: wordnet30
• a person who refrains from drinking intoxicating beverages(noun.person)

  Synonym:
  abstinent, nondrinker
  Antonym:
  drinker, imbiber, juicer, toper
  

  source: wordnet30
• One who abstains; esp., one who abstains from the use of intoxicating liquors.(noun)

  source: webster1913