A Family Friend is a Geni user who can view your information but can not view your tree or your family's information.
Ways to Invite Family Friends
You can invite a Family Friend by entering their email address in the 'Invite your friends:' box on your Profile.
Use the 'add from address book' link to find an email address in your address book or invite multiple friends at one time. After you select the friends you would like to invite and click the 'continue' button, the selected email addresses will be entered in the invite box. You will then need to click the 'Invite a Family Friend' button to send the invites.
Click the 'Add to My Friends' text link on a Search Result