You can create a new password for a person or email them their login information in case they have lost or forgotten the details.
To do either, go to their profile page - you can access the login settings in the top right corner under 'Actions'.
To change the password click on 'Change Password'. A window will open where you can create a new password for the person.
To resend the person their login information click on 'Resend Logins'. The person will then receive their login details to their email address.
We're almost done with the people page tutorials, here's the last one!