theslink2000

This plugin doesn’t do anything on the surface but if you call the get_user_role() function then you can achieve one of two results.
Function
Returns the role of the specified user.
Usage
Parameters
$user_id 
(string)(optional) ‘username’
Return Values
(string) If no $user_id is specified in the function call the function will return the role of the currently logged in user, otherwise the role of the specified user will be returned.
Examples
$role = get_user_role(“admin”);
This will return “administrator”.
Notes
This plugin may call the following global variables:
$current_user 
$wp_roles 
$wpdb
This plugin is designed to work with any correctly made custom roles.

Get User Role

A simple plugin that add's the get_user_role() function to your site.

Blair Williams

Members – Role Hierarchy is an add-on plugin for the <a href="https://wordpress.org/plugins/members" rel="ugc">Members plugin</a>, which adds a hierarchical role system.
Hierarchical roles are important when you want to allow “lower” level users, such as Editors, to create, edit, promote, or delete users without giving them access to a higher role, such as Administrator.
For more info, visit the <a href="http://themehybrid.com/plugins/members-role-hierarchy" rel="nofollow ugc">plugin home page</a>.
<h3>Like this plugin?</h3>
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<h3>Professional Support</h3>
If you need professional plugin support from me, the plugin author, you can access the support forums at <a href="http://themehybrid.com/board/topics" rel="nofollow ugc">Theme Hybrid</a>, which is a professional WordPress help/support site where I handle support for all my plugins and themes for a community of 60,000+ users (and growing).
<h3>Plugin Development</h3>
If you’re a theme author, plugin author, or just a code hobbyist, you can follow the development of this plugin on it’s <a href="https://github.com/justintadlock/members" rel="nofollow ugc">GitHub repository</a>.

Members – Role Hiearchy

Add-on plugin for Members for hierarchical user roles.

Get User Role vs Members – Role Hiearchy