What's the difference between haggler and higgler?

Haggler

Definition:

• (n.) One who haggles or is difficult in bargaining.
• (n.) One who forestalls a market; a middleman between producer and dealer in London vegetable markets.

Example Sentences:

• (1) Uniformed police officers are often kept busy keeping hagglers and taxi drivers out of the airport.

Higgler

Definition:

• (n.) One who higgles.

Example Sentences: