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.
... (plus gerunds and infinitives, along with such creatures as intensives[?]/frequentives[?], desideratives[?], causatives[?], and benedictives[?] derived from more basic ...