abstinent
enUKab·sti·nence
A0028700 (ăb′stə-nəns)These nouns refer to the habitual refusal to indulge a desire, especially a sensual one. Abstinence implies the willful avoidance of pleasures, especially of food and drink, thought to be harmful or self-indulgent: "I vainly reminded him of his protracted abstinence from food" (Emily Brontë).
Self-denial suggests resisting one's own desires for the achievement of a higher goal: "For too many people, the result of sedentary living is a perennial, losing battle against the bulge: bursts of self-denial interspersed with guilt when self-denial inevitably leads to self-indulgence" (Jane Brody).
Temperance refers to moderation and self-restraint and sobriety to gravity in bearing, manner, or treatment; both nouns denote moderation in or abstinence from consuming alcohol: Teetotalers preach temperance for everyone. "[T]hose moments which would come between the subsidence of actual sobriety and the commencement of intoxication" (Anthony Trollope).
Continence specifically refers to abstaining from sexual activity: The nun took a vow of continence.
| Noun | 1. |  abstinent - a person who refrains from drinking intoxicating beverages |
| Adj. | 1. | abstinent - self-restraining; not indulging an appetite especially for food or drink; "not totally abstinent but abstemious" |