noun. One, usually unemployed, who lives by one's wits.

noun. One who shirks work or responsibility; a slacker.

noun. a smartly dressed person who trades in illicit, black-market or stolen goods

noun. a flashy con artist, often homeless, who lives by his wits

noun. in Scotland Yard usage, a low and common thief

noun. a slacker; one who shirks responsibility

noun. a person without employment who makes money by various dubious schemes; goes about smartly dressed and having a good time

"Update: Upon reflection I think Mr Weston might well be seen as a slightly camp version of what the English used to call a "spiv"."

bum  do-nothing  idler  layabout  loafer  

chiseler  sharper  wide boy