Activist - individuals in intentional action to bring about social or political change.
Belligerent - one of a contracting parties in a conflict.
Church militant (Ecclesia Militans) - Christians who are living.
combat or fighting- purposeful conflict between one or more persons, often involving violence and intended to establish dominance over the opposition.
combatant - a soldier or guerrilla member who is waging war.
crusader - Warriors in a series of several military campaigns—usually sanctioned by the Papacy—that took place during the 11th through 13th century. Used contemporarily to describe people that attack Islam, whether perceived or real.
demonstrator - An individual who is publicly displaying the common opinion of an activist group, often economically, political, or socially, by gathering in a crowd, usually at a symbolic place or date, associated with that opinion.
extremist - term used to describe either ideas or actions thought by critics to be hyperbolic and unwarranted.
fundamentalism - anti-modernist movements in various religions.
guerrilla - small combat groups and the individual members of such groups operating with small, mobile and flexible combat groups called cells, without a front line.
Insurgent - an armed rebellion by any irregular armed force that rises up against an established authority, government, administration or occupation.
man-at-arms - medieval term for a soldier, almost always a professional.
mercenary - soldier who fights, or engages in warfare primarily for private gain, usually with little regard for ideological, national or political considerations.
military - any armed force, it generally refers to a permanent, professional force of soldiers or guerrillas.
Militant Islam - Used by Western political commentators to describe the ideologies of groups viewed as participating in Islamic terrorism.
Militant tendency - Trotskyist group within the UK Labour Party, accused of entryist tactics. They were most powerful during the 1970s and 1980s.
partisan - member of a lightly-equipped irregular military force formed to oppose control of an area by a foreign power or by an army of occupation.
protester - expresses relatively overt reaction to events or situations: sometimes in favour, more often opposed.
rebel - individuals who participate in rebellions
Reform Movement - kind of social movement that aims to make gradual change, or change in certain aspects of the society rather than rapid or fundamental changes.
rioter - people in crowds committing crimes or acts of violence
soldier - person who has enlisted with, or has been conscripted into, the armed forces of a sovereign country and has undergone training and received equipment to defend that country or its interests.
vigilante - any individual(s) who establish their own form of justice or forms a collaboration with law enforcement to fight against criminal activities. Usually militant and armed.
war - state of widespread conflict between states, organisations, or relatively large groups of people, which is characterised by the use of violent, physical force between combatants or upon civilians.
warrior - person habitually engaged in combat. In tribal societies, warriors often form a caste or class of their own.
zealot - An individual that is zealous on behalf of God.
