Class traitor is a term used by many Socialist

Socialism

Socialism is an economic system characterized by social ownership of the means of production and cooperative management of the economy; or a political philosophy advocating such a system. "Social ownership" may refer to any one of, or a combination of, the following: cooperative enterprises,...

 organizations to refer to a member of the proletariat

Proletariat

The proletariat is a term used to identify a lower social class, usually the working class; a member of such a class is proletarian...

 class who works directly or indirectly against their class interest, or what is against their economic benefit as opposed to that of the bourgeoisie

Bourgeoisie

In sociology and political science, bourgeoisie describes a range of groups across history. In the Western world, between the late 18th century and the present day, the bourgeoisie is a social class "characterized by their ownership of capital and their related culture." A member of the...

. It applies particularly to soldiers, police officers, workers who refuse to respect picket lines during a strike

Strike action

Strike action, also called labour strike, on strike, greve , or simply strike, is a work stoppage caused by the mass refusal of employees to work. A strike usually takes place in response to employee grievances. Strikes became important during the industrial revolution, when mass labour became...

, and basically anyone paid a wage who actively facilitates the status quo

Status quo

Statu quo, a commonly used form of the original Latin "statu quo" – literally "the state in which" – is a Latin term meaning the current or existing state of affairs. To maintain the status quo is to keep the things the way they presently are...

. According to Barbara Ehrenreich: "Class treason is an option at all socioeconomic levels: from the blue-collar man who becomes a security guard employed to harass striking workers, to the heirs of capitalist fortunes who become donors to left-wing causes"

In Russia before and during the Russian Revolution, the Bolsheviks and other socialist revolutionary organizations used it to describe the Czarist Army

White movement

The White movement and its military arm the White Army - known as the White Guard or the Whites - was a loose confederation of Anti-Communist forces.The movement comprised one of the politico-military Russian forces who fought...

 and basically any working class citizen who directly opposed the "Dictatorship of the proletariat

Dictatorship of the proletariat

In Marxist socio-political thought, the dictatorship of the proletariat refers to a socialist state in which the proletariat, or the working class, have control of political power. The term, coined by Joseph Weydemeyer, was adopted by the founders of Marxism, Karl Marx and Friedrich Engels, in the...

". The term was later extended to include the Menshevik Russians

Menshevik

The Mensheviks were a faction of the Russian revolutionary movement that emerged in 1904 after a dispute between Vladimir Lenin and Julius Martov, both members of the Russian Social-Democratic Labour Party. The dispute originated at the Second Congress of that party, ostensibly over minor issues...

 and other supposedly counter-revolutionary socialist organizations under Stalin

Joseph Stalin

Joseph Vissarionovich Stalin was the Premier of the Soviet Union from 6 May 1941 to 5 March 1953. He was among the Bolshevik revolutionaries who brought about the October Revolution and had held the position of first General Secretary of the Communist Party of the Soviet Union's Central Committee...

.