>The fuzziest of all categories must be "lumpen." [...]
>
>What are lumpen? Who are they? How many lumpens exist in the USA
>in particular and the world in general? Are they growing in number?
>It seems impossible to answer such questions at all. About workers,
>capitalists, etc., you can attempt definitions and answers, based on
>your political perspective and social theory, however contradictory
>and unsatisfactory to others, but "lumpen" seems to defy any such
>attempts, and in truth, few have and would bother. I propose that
>the category be retired from use.
Nicholas Thoburn makes pretty nice use of it in his book on Marx and Deleuze: <http://libcom.org/library/deleuze-marx-politics-nicholas-thoburn-3>