pioneer
🇺🇸
/ˌpaɪəˈnɪr/
🇬🇧
/ˌpaɪəˈnɪə(r)/
a person who is the first to study or develop something new
She was a pioneer in developing new medical treatments.
one of the first people to live and work in a new place
The pioneer built a home in the new land.
to be one of the first people to do or use something new
He helped pioneer a new way to teach science.