Keisha has taken up the responsibility of reviewing e-mails and snail mail solicitations from marketers. she trashes most e-mail advertisements and mailers yet shares some when she thinks it might be a product someone needs. keisha plays the role of a(n) in her household purchase process. makerinfluencer

Gatekeeper.

Explanation:

A gatekeeper in this context is someone who is responsible for determining information that are worthy of either been trashed or disseminated within an organization. Such information are filtered before been adopted for broadcasting, publication or further processing.

A gatekeeper also determines the number of information people have access to, gatekeeper subjects information through processes that determines the type of messages, and their content.

Within a business settings, a gate keeper assists decision makers to determine which information is regarded as relevant or irrelevant. A gatekeeper could also be some at the reception or a secretary.