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As an Administrator, WordPress allows you to use the User Roles section to set the permissions and access of the user . You can access it from your Dashboard by clicking on Users > User Roles: 
In the User Roles section, you can create Role and determine which admin pages can be viewed and modified by each Role . 
Note that you must know which pages can be accessed or modified with the Access and Modify permissions. 
You have five pre-defined User Roles in your default WordPress installation – Administrator and Editor and Author and Contributor and Subscriber. While the Administrator Role has all the permissions . You can not delete Administrator. Click on the Action button for one of the User Roles to see the permission fields.
The Edit User Roles section gives you one field – Permission, the Administrator User Roles has all the permissions. However.
<h3>Additional Documentation</h3>
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User Roles

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User Roles WordPress plugin makes user roles and capabilities changing easy. Edit add delete WordPress user roles and capabilities.

Jesper van Engelen

Ever since the WordPress roles and capabilities system implemented in WordPress verion 2.0 back in 2005, there has been no easy way to implement a user hierarchy.
With the User Hierarchy plugin, you can control which user roles can edit which other user roles. For example, you can add a new user role called “Manager” that can view all users, but only create and edit users with the “Author” user role. This plugin gives you full control over your user management, even when you are using a complex role hierarchy.

User Hierarchy

Control user management on a per-role basis. Allow users of a certain role to only add, edit or delete users from specific other roles.

User Roles vs User Hierarchy