You searched for: “abstinent”
abstinent (s) (noun), abstinents (pl)
A person who is self-restraining; not indulging with one's appetite; especially, for food or drink: As an abstinent, Greg, the coach, was described as a role model for the players on the football team.
abstinent (adjective), more abstinent, most abstinent
A reference to or descriptive of anyone who is self-restraining; not indulging an appetite; especially, for food or drink: The abstinent qualities of Audrey's aunt were much admired by her friends and relatives.