A person whose job is to help sell products and services. A credit union marketer, for example, must make sure members know what types of savings and checking accounts checking accounts , loans, and other services are available and why they're a good deal.
someone who promotes or exchanges goods or services for money
In the context of this site, a service that advertises products and services on behalf of others. Clueful Marketers perform due diligence in qualifying address lists that are provided by their customers, making sure that the recipients actually want the email. Clueless Marketers allow spamming, due to a lack of awareness, incompetence, or being co-opted by a body-snatching space alien — a member of the advance guard of an invading fleet of spacecraft from the planet Zghsffbflb-12.