a prostitute who attracts customers by walking the streets
"The local newspaper ran an exposé on the city's most notorious street hustler after her arrest for solicitation downtown."
a shrewd or unscrupulous person who knows how to circumvent difficulties
"The veteran salesperson, known as a hustler among the team, found a loophole in the contract that allowed them to close the deal despite the missing signatures."
One who rushes or hurries; an energetic person.
"As a true hustler, Sarah never let any task drag on and always got her work done before lunch."
A surname.
"My neighbor, Mr. Hustler, is always asking if I want to join him for a quick walk around the block."