Add person (profile) under an existing user account

1- From any ‘User account details’, simply select the new “Add person” button: 
 
2- Enter at least the mandatory information (Full Name, Email, Gender, DOB) and click save: 
 
 
Note: if you’re trying to create a profile that already exists in the system (under another user account) the system will notify you and WILL NOT let you create a duplicate.