Nudist (noun)

1. A person who practices nudity, as a lifestyle, for reasons of health, religion, or personal preference.
2. A person who frequents places where nudity is the norm, such as nudist colonies or nude beaches.

Origin:

From nude + -ist.

Examples:

1. The nudists at the beach were not bothered by stares and comments from the other beach-goers.
2. Nudists believe that nudity is natural and healthy.
3. Nudist colonies are a place where you can feel comfortable and free being naked.
4. The nudist camp was a popular spot for those who enjoyed skinny-dipping.
5. Nudists say that being naked helps them to feel more connected to nature.