someone who does not do something, especially something they would like to do

His grandfather was a lifelong abstainer who never touched a drop of alcohol. 他祖父一生都是一个滴酒不沾的禁欲者。

Animal rights should extend to geese, say French foie gras abstainers. 动物权益(保护）应该扩展到鹅类，不吃法国鹅肝的人说。