What does the word firebrand mean?

Usage examples for firebrand

  1. " Oh, it's just a notion," Marcel laughed, in a boyish, half shamefaced fashion as he lit his pipe with a firebrand. – The Heart of Unaga by Ridgwell Cullum
  2. His secretary, Desaugiers the elder, is our real and confidential firebrand in the North, commissioned to keep burning those materials of combustion which Grouvelle and others of our incendiaries have lighted and illuminated in Holstein, Denmark, Sweden, and Norway. – The Project Gutenberg Memoirs of Napoleon Bonaparte by Bourrienne, Constant, and Stewarton
  3. After it no less desperately than before, Sidney plunged along the steep descent, his firebrand brightly glowing in the wind. – As It Was in the Beginning by Philip Verrill Mighels