Great
If you want to customize what appears on the sidebar, then this requires some coding. You can add your codes in /Users/components/com_easysocial/themes/wireframe/profile/default/default.php
To get a custom field value, you could do something like this,
[gist]
<?php echo $user->getFieldData('CUSTOM_FIELD_KEY'); ?>
[/gist]
The CUSTOM_FIELD_KEY is configured in the profile field settings as you can see here,
http://take.ms/2iDDH