operator vs wheeler dealer

operator and wheeler dealer both are nouns.

Word	Noun	Adjective	Verb	Adverb
operator	Yes	No	No	No
wheeler dealer	Yes	No	No	No

As nouns, operator and wheeler dealer are synonyms defined as:

operator and wheeler dealer: a shrewd or unscrupulous person who knows how to circumvent difficulties

Other synonyms of operator include hustler.

operator (noun)	wheeler dealer (noun)
an agent that operates some apparatus or machine	a shrewd or unscrupulous person who knows how to circumvent difficulties
someone who owns or operates a business
a shrewd or unscrupulous person who knows how to circumvent difficulties
a speculator who trades aggressively on stock or commodity markets
(mathematics) a symbol or function representing a mathematical operation