IPA: /æbˈsteɪnər/
KK: /æb'steɪnər/
A person who chooses not to do something, especially something enjoyable or tempting, like drinking alcohol.
As an abstainer, she chose not to drink alcohol at the party.
Abstainer → It is formed from "ab-" (meaning away) and "tenere" (meaning to hold). The word "abstainer" refers to someone who holds themselves away from something, particularly in the context of refraining from indulgence or consumption.
Think of someone who 'holds away' ('ab-') from something they could partake in — that's why an abstainer is someone who refrains from certain activities or substances.