trailblazer russian

• первопрохо́дец

  explorer (of new lands), pathfinder, trailblazer

  pioneer, trailblazer, innovator

• следопы́т

  tracker, pathfinder, trailblazer

• предте́ча

  forerunner, precursor, pioneer, trailblazer

  harbinger, precursor, herald, portent