A person who uses dynamite, especially one who uses it unlawfully(noun)
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Use "dynamiter" in a sentence
""dynamiter," and an "anarchist"; and really decent fellows, who liked me very well, drew the line at my appearing in public with their sisters."
"Sinclair was a "dynamiter of all churches" and his End Poverty in California (EPIC) plan was nothing less than "plain Communism.""
"At that time (nine or ten years ago), because I made a stand in my native town for municipal ownership of public utilities, I was branded a "red-shirt," a "dynamiter," and an "anarchist"; and really decent fellows, who liked me very well, drew the line at my appearing in public with their sisters."