1) An advocate of anarchism 2) Disorderly sort 3) Emma Goldman, notably 4) Nihilist 5) Opponent of government 6) Radical 7) Syndicalist 8) Zeno of Citium was one 1) Anarch 2) Bakunin 3) Goldman 4) Kropotkin 5) Rebel 6) Red 7) Sacco 8) Syndicalist 9) Tucker 10) Vanzetti 
• (n.) An anarch; one who advocates anarchy of aims at the overthrow of civil government.
An'arch·ist noun [ Confer French anarchiste .] An anarch; one who advocates anarchy of aims at the overthrow of civil government. 
Extreme radicals, often political refugees from the continent, who sought to undermine the capitalist system and the state. From 1892 onwards, many were tried at the Old Bailey for possessing bomb-making equipment or causing property damage.
person who seeks to abolish government and base society on voluntary cooperation
[n] - an advocate of anarchism
anarchist 1. Someone who rejects the need for a system of government in society and proposes its abolition. 2. Any one who tries to overthrow a society`s formal system of government or behaves in a generally lawless manner and encourages others to do the same.
nihilist noun an advocate of anarchism
one who seeks to overturn, by violence, society and government, with no intention of establishing another orderly system.
a person who advocates or believes in anarchy or anarchism. · a person who seeks to overturn by violence all constituted forms and institutions of society and government, with no purpose of establishing any other system of order in the place of that destroyed. · a person who promotes disorder or excites revolt against any established r...