Dilettante (noun)

A person who takes up an activity or interest, especially in the arts, without serious commitment or knowledge.

Origin:

From the italian word dilettare, meaning to take delight, to enjoy oneself.

Examples:

1. He was a dilettante who dabbled in many different fields without ever becoming an expert.
2. She was a dilettante who enjoyed painting but didn't take it seriously.
3. He was criticized for being a dilettante, because he always changed his mind.
4. She was considered a dilettante by her peers because of her lack of commitment to her craft.
5. He was known as a dilettante in the art world, never having serious intent to become an artist.