WordPress has six predefined roles as follows:
Super Admin: A Super Admin is a user with access to all multisite network administration features.
Administrator: An Administrator is a user who has access to all of the administration features within a single website.
Editor: An Editor is a user who is able to publish and manage posts, including those created by other users.
Author: An Author is a user who is able to write and manage only their own posts.
Contributor: A Contributor is a user who can write and manage their own posts, but cannot publish it themselves.
Subscriber: A subscriber is a user who only has access to managing their own profile (updating user profiles, changing their password).