The Lumpenproletariat (directly translated: rag-proletariat) is a term used by Marxists to describe the section of the proletariat that can't find legal work on a regular basis. These may be prostitutes, beggars, or homeless people.
... or royal family.
Of the more specific uses of the term, the most common include:
1. A supporter of King Charles I of England during the English Civil War.
2. ...