spiv

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a person without employment who makes money by various dubious schemes;
goes about smartly dressed and having a good time
• Regions:
United Kingdom, UK, U.K., Britain, United Kingdom of Great Britain and Northern Ireland, Great Britain
• Hypernyms:
idler, loafer, do-nothing, layabout, bum