1. Log in to cPanel.
2. In the Databases section, click on the "MySQL Databases" icon.
3. Now Enter Your DB name and then click on "Create Database".
4. Scroll down to the "Add New User" section.
5. Enter the username and password for the new user, then click the "Create User" button.
5. Scroll down to the "Add User To Database" section.
6. Select the new user and the database you want to add them to, then click the "Add" button.
7. In the "Manage User Privileges" section, select the privileges you want to grant the user for this database, then click the "Make Changes" button.
The user has now been added to the database.