Exhibitionist (noun)

1. A person who practices exhibitionism, the act of displaying or showing off one's body or sexual organs in public.
2. A person who seeks attention or admiration by displaying one's talents, abilities, or wealth.

Origin:

From the latin word "exhibere" meaning "to show" or "to exhibit" and the suffix "-ist," which denotes a person who practices or believes in something. the word has been in use since the 19th century.

Examples:

1. He was arrested as an exhibitionist for indecent exposure.
2. She became famous as an exhibitionist on social media.
3. He was notorious as an exhibitionist at parties.
4. The artist was considered as an exhibitionist for his bold and controversial works.
5. His exhibitionism behavior was a sign of his deep-seated insecurity.