trend setter
/trɛnd ˈsɛtər/
noun
- A person, company, or thing that starts a new fashion, style, or idea that others copy.
- She is known as a trend-setter in the music industry, always introducing new sounds.
- Young people often look to trend-setters on social media for ideas about what to wear.
- The tech company became a trend-setter by releasing the first smartphone with a foldable screen.