If we go in literal meaning of trailblazer, they are those who make path for other, or we can say they are those who are the first to take certain path which are not taken by any personal earlier.
In business trailblazer are those who are pioneer or we can say innovators and have an urge to learn life long and work for the betterment of the society.
They know how to better use the technology for the better use for the society.
They use different tools and platforms for innovating things and through they inspire others to take up and contribute for the betterment.