Answer: usurper

AnswerCrossword Clue
USURPERUnlawful seizor.
usurperone that usurps (to seize and hold without legal authority)
usurperto seize (a position, power, etc.) by force or without legal right
USURPEROne taking something forcibly
USURPERTakeover artist
USURPERCoup participant, e.g.
USURPERSeizer like Caesar
USURPERThrone seizer
USURPERSeizer of power.
USURPERUnlawful seizer.
USURPERRoyal supplanter.
USURPERIllegal occupant of a throne.
USURPERPower grabber
USURPERIllegal seizer.
USURPERDisplacer of true ruler.
USURPERCoup leader
USURPEROne who seizes power
USURPERSuccessful rebel
USURPEROne who takes over by force
USURPEROne in a coup, e.g.
USURPEROne who expropriates
USURPERThrone grabber
USURPEROne in a coup group