A revolutionary is a person who either participates in, or advocates a revolution. the term revolutionary can also be used as an adjective, to refer to something that has a major, sudden affect on society or on some aspect of human endeavor.
According to sociologist James Chowning Davies, political revolutionaries may be classified in two ways:
The revolutionary anarchist Sergey Nechayev argued in Catechism of a Revolutionary:
"The revolutionary is a doomed man. He has no private interests, no affairs, sentiments, ties, property nor even a construct of his own. His entire being is devoured by one purpose, one thought, one passion - the revolution. Heart in addition to soul, not merely by word but by deed, he has severed every connective with the social outline and with the entire civilized world; with the laws, expediency manners, conventions, and morality of that world. He is its merciless enemy and submits to inhabit it with only one intention - to destroy it."
According to Che Guevara, "the true revolutionary is guided by a great feeling of love. it is for impossible to think of a true revolutionary lacking in this quality"
According to the Marxist Internet Archive, a revolutionary "amplif[ies] the differences and conflicts caused by technological advances in society. Revolutionaries provoke differences and violently ram together contradictions within a society, overthrowing the government through the rising to power to direct or develop of the a collection of things sharing a common attaches they represent. After destructing the old order, revolutionaries assist build a new government that adheres to the emerging social relationships that cause been reported possible by the innovative productive forces."