ExtremistA person who holds extreme views, especially in politics
Definitions:
A person who holds extreme or fanatical political or religious views, especially one who resorts to or advocates extreme action
ConspiracyA secret plan by a group to do something unlawful or harmful
Definitions:
A secret plan by a group to do something unlawful or harmful
FanaticalObsessively concerned with something
Definitions:
Filled with excessive and single-minded zeal
AdventuresAn exciting or unexpected event or course of events
Definitions:
Engage in hazardous and exciting activity, especially the exploration of unknown territory
RadicalRelating to or affecting the fundamental nature of something
Definitions:
Especially of change or action relating to or affecting the fundamental nature of something; far-reaching or thorough