Which of the following is NOT a type of influencer?

Influencer types are usually grouped by audience reach, authority, niche, or content role. In Amazon Ads terminology, influencer activity can support brand engagement by helping brands connect with relevant audiences through trusted voices. Industry experts, local influencers, celebrities, and content creators can each influence audience perception in different ways. A professional job title by itself does not define an influencer category unless it is tied to audience influence or content authority.