Dissent

Dissent is an opinion, philosophy or sentiment of non-agreement or opposition to a prevailing idea or policy enforced under the authority of a government, political party or other entity or individual. A dissenting person may be referred to as a dissenter.

In philosophical skepticism, particularly that of Pyrrhonism, the existence of dissent is a rationale for suspending judgment regarding the issue associated with the dissent. Dissent in this respect appears as one of the tropes in the Five Modes of Agrippa, pointing to the uncertainty demonstrated by the differences of opinions among philosophers and people in general.

Political dissent is a dissatisfaction with or opposition to the policies of a governing body. Expressions of dissent may take forms from vocal disagreement to civil disobedience to the use of violence. In some political systems, dissent may be formally expressed by way of opposition politics, while politically repressive regimes may prohibit any form of dissent, leading to suppression of dissent and the encouragement of social or political activism. Individuals who do not conform or support the policies of certain states are known as "dissidents". Several thinkers have argued that a healthy society needs not only to protect, but also to encourage dissent.

Heresy is any belief or theory that is strongly at variance with established beliefs or customs, in particular the accepted beliefs of a church or religious organization. A heretic is a proponent of such claims or beliefs. Heresy is distinct from both apostasy, which is the explicit renunciation of one's religion, principles or cause, and blasphemy, which is an impious utterance or action concerning God or sacred things.

The term is usually used to refer to violations of important religious teachings, but is used also of views strongly opposed to any generally accepted ideas. It is used in particular in reference to Christianity, Judaism, and Islam.

A schism (pronounced /ˈsɪzəm/ SIZ-əm, /ˈskɪzəm/ SKIZ-əm or, less commonly, /ˈʃɪzəm/ SHIZ-əm) is a division between people, usually belonging to an organization, movement, or religious denomination. The word is most frequently applied to a split in what had previously been a single religious body, such as the East–West Schism or the Great Western Schism. It is also used of a split within a non-religious organization or movement or, more broadly, of a separation between two or more people, be it brothers, friends, lovers, etc.

A schismatic is a person who creates or incites schism in an organization or who is a member of a splinter group. Schismatic as an adjective means pertaining to a schism or schisms, or to those ideas, policies, etc. that are thought to lead towards or promote schism.

In religion, the charge of schism is distinguished from that of heresy, since the offence of schism concerns not differences of belief or doctrine but promotion of, or the state of, division. However, schisms frequently involve mutual accusations of heresy. In Roman Catholic teaching, every heresy is a schism, while there may be some schisms free of the added guilt of heresy. Liberal Protestantism, however, has often preferred heresy over schism. Presbyterian scholar James I. McCord (quoted with approval by the Episcopalian Bishop of Virginia Peter Lee) drew a distinction between them, teaching: "If you must make a choice between heresy and schism, always choose heresy. As a schismatic, you have torn and divided the body of Christ. Choose heresy every time."