- Master planner
- Organiser
- Campaigner to act on disorganised visit
- Militant person
- One who campaigns to bring about change
- Protest organiser
- coup organiser
- One who up ends a monarch
- Wrongful supplanter of authority
- One who usurps; especially, one who seizes illegally on
sovereign power; as, the usurper of a throne, of power, or of the
rights of a patron.