trafficker vs vendor

trafficker and vendor both are nouns.

Word	Noun	Adjective	Verb	Adverb
trafficker	Yes	No	No	No
vendor	Yes	No	No	No

As nouns, trafficker and vendor are synonyms defined as:

trafficker and vendor: someone who promotes or exchanges goods or services for money

Other synonyms of trafficker include marketer, seller, vender.

trafficker (noun)	vendor (noun)
someone who promotes or exchanges goods or services for money	someone who promotes or exchanges goods or services for money