Fans are accounts who follow you but you haven’t still followed them back.
Use this feature to view all these accounts and follow them back. You can also Blacklist these accounts or tweet out to them directly using the Reply button.
Where do I find the Fans for my Twitter account?
You'll find your Fans within the Manage tab on Crowdfire. The Manage tab is situated on the top bar (web app) or the bottom bar (phone app)
You can also sort this list by Oldest or Newest first from the top right.