A CMS user responsible for performing editorial process to create, edit, or otherwise manage content. An editor creates, manages, edits, approves, and publishes content. This is considered the core user of a CMS. Most CMS functionality is based around editors.
There are several subtypes of editor:
A power editor might also have some administrative responsibilities.
An approver might only be responsible for moving content through the approval process.
An UGC editor or community manager might only manage and review user-generated content (comments, ratings, reviews, etc.)
A marketer might not create and edit content directly, but is responsible for delivery, optimization, and performance of that content