1) Abstainer 2) Abstemious one 3) Abstinent 4) Abstinent one 5) Golfer figuring his score 6) Nondrinker 7) One destined to pass the bar 8) One who shuns alcohol 9) One who shuns spirits 10) Prohibition adherent 11) Sober one 12) Teetotalist 13) Teetotaller 1) Abstainer 2) Escher 3) Nonuser 4) Teetotalist 5) Teetotaller 
one who abstains from alcohol. The word originated with a stammering Lancashire temperence advocate who said in a speech that nothing would do but "t-t-total abstinence."
• (n.) One pledged to entire abstinence from all intoxicating drinks.
Tee·to'tal·er noun One pledged to entire abstinence from all intoxicating drinks. 
[n] - a total abstainer
teetotaler 1. A total abstainer; or someone who refrains (avoids doing something) from drinking intoxicating beverages or who practices self denial as a spiritual discipline. 2. Someone who abstains completely from alcoholic beverages.
teetotaller noun a total abstainer