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.

thenbrent

Running a WordPress network? You no longer need to manually add new users to each of your sites.
With this plugin, users are assigned a default role for each of your sites. You set the default role for each site and this plugin applies it.
You can assign different roles for each site or keep a site private by assigning no role.

Multisite User Management

Automatically add users to each site in your WordPress network.

Get User Role vs Multisite User Management