lumpenproletariat
Concise Oxford English Dictionary © 2008 Oxford University Press:
lumpenproletariat /ˌlʌmpənprəʊlɪˈtɛːrɪət/
▶noun [treated as sing. or pl.] (especially in Marxist terminology) the apolitical lower orders of society uninterested in revolutionary advancement.
'lumpenproletariat' also found in these Oxford entries:

