proletariat

noun

1. (also, derogatory, figuratively, often)The lowest class of society; also, the lower classes of society generally; the masses.
2. (Marxism)Wage earners collectively; people who own no capital and depend on their labour for survival; the working class, especially when seen as engaged in a class struggle with the bourgeoisie (“the capital-owning class”).

   “Of all the classes that stand face to face with the bourgeoisie to-day, the proletariat alone is a really revolutionary class. The other classes decay and finally disappear in the face of modern industry; the proletariat is its special and essential product.”

3. (Ancient-Rome, historical)The lowest class of citizens, who had no property and few rights, and were regarded as contributing only their offspring to the state.