'Marketer' definitions:

Definition of 'marketer'

From: WordNet
noun
Someone who promotes or exchanges goods or services for money [syn: seller, marketer, vender, vendor, trafficker]

Definition of 'Marketer'

From: GCIDE
  • Marketer \Mar"ket*er\, n. One who attends a market to buy or sell; one who carries goods to market. [1913 Webster]