Answer: firebrand

AnswerCrossword Clue
FIREBRANDPerson who stirs up strife.
FIREBRANDHuman spark plug.
FIREBRANDTroublemaker
FIREBRANDRebellion inciter
FIREBRANDRabble-rouser
FIREBRANDAgitator seeking radical change
firebrandA piece of burning wood
firebrandA person who is passionate about a particular cause, typically inciting change and taking radical action
firebranda flaming stick; a hot-tempered person