incendiary
in-cen-di-a-ry
noun
A person who deliberately sets fire to property or stirs up conflict.
"The police sought the political incendiary."
adjective
Designed to cause fires or to stir up strong, often violent, feelings.
"His incendiary speech provoked a riot."
Thesaurus
Synonyms: incendiary bomb, firebomb, arsonist, firebug, combustible, incitive, rabble-rousing, provocative, inflammatory, seditious, instigative