trailblazer

/ˈtreɪlˌbleɪzər/
noun
  1. A person who is the first to do something or who leads the way in a new area, idea, or activity; a pioneer.
    • The company's founder was a trailblazer in renewable energy technology.
    • She is considered a trailblazer for women in professional sports.
    • Marie Curie was a trailblazer in the field of radioactivity.
  2. A person who marks a trail for others to follow, especially in a wilderness area.
    • Our guide acted as a trailblazer, clearing branches and marking the path.
    • Before the settlers arrived, trailblazers had already mapped the route across the mountains.
    • The trailblazer carved arrows into trees to guide the group through the forest.
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