abstainer[
əb'stenɚ]
n. 
制者, 弃

者
abstainer[ noun ]- someone who practices self denial as a spiritual discipline
<noun.person>
- a person who refrains from drinking intoxicating beverages
<noun.person>

Abstainer \Ab*stain"er\, n.
One who abstains; esp., one who abstains from the use of
intoxicating liquors.