taximan vs livery driver

taximan and livery driver both are nouns.

Word	Noun	Adjective	Verb	Adverb
taximan	Yes	No	No	No
livery driver	Yes	No	No	No

As nouns, taximan and livery driver are synonyms defined as:

Other synonyms of taximan include cabby, cabdriver, cabman, hack-driver, hack driver, taxidriver.

taximan (noun)	livery driver (noun)
someone who drives a taxi for a living	someone who drives a taxi for a living