Explanation:

- Option 4: Ascetic - One who practices severe self-discipline and abstention from all forms of indulgence, typically for religious reasons.

- Option 1: Aesthetic - Related to beauty or the appreciation of beauty; not associated with denying oneself of bodily pleasures.

- Option 2: Theist - A person who believes in the existence of a god or gods, not related to self-denial.

- Option 3: Atheist - Someone who does not believe in God or gods; unrelated to self-denial or bodily pleasures.

The term "ascetic" is the most appropriate choice for someone who denies themselves ordinary bodily pleasures.