Proletariat (noun)

1. The working class, especially industrial workers.
2. People who own no property and must sell their labor to survive.

Origin:

Early 19th century: from french prolétariat, from latin proletarius (see proletariat).

Examples:

1. The factory was staffed by members of the proletariat.
2. The politician's speeches were aimed at the proletariat.
3. The novel tells the story of a young woman from the proletariat.
4. The play centers around the struggles of the proletariat.
5. The art exhibition featured works by a proletariat artist.