In Gaggle, you can follow other pilots, and they can follow you. You can also mark pilots you are following as friends which gives you more privacy control within the app.
You can access the friends and followers page by navigating to the Profile tab and selecting the Followers/Following numbers next your profile picture, or from the navigation menu on the community page. The page is divided into 2 sections:
You can tap on any of the pilots in the list to open up their profile page. Tapping on the 3 dots next to a pilot will open up a menu where you can: