marketer vs seller

marketer and seller both are nouns.

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

As nouns, marketer and seller are synonyms defined as:

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

Other synonyms of marketer include trafficker, vender, vendor.

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