seller vs marketer

seller and marketer both are nouns.

Word	Noun	Adjective	Verb	Adverb
seller	Yes	No	No	No
marketer	Yes	No	No	No

As nouns, seller and marketer are synonyms defined as:

seller and marketer: someone who promotes or exchanges goods or services for money

Other synonyms of seller include trafficker, vender, vendor.

seller (noun)	marketer (noun)
someone who promotes or exchanges goods or services for money	someone who promotes or exchanges goods or services for money