View Details of Mailchimp Audiences a Constituent is Subscribed to 

If an email address in the constituent's profile is subscribed to a Mailchimp audience an icon is shown to the right of the email address

When you click on the icon information about the Mailchimp audience(s) is shown in a pop-out screen- you can also open the corresponding record in Mailchimp.

You can also see Mailchimp activity from the Coinstituent's Timeline - see Viewing Mailchimp activity in a Constituent's Timeline

The Donorfy Academy features a learning course for Mailchimp - enrol here