If you’re using a computer, click your profile icon at the top-right and select Profile.
If you’re using Instagram on a computer, you won’t be able to search this list. If your Followers list is long and it’s taking too long to scroll through, check from the other person’s profile instead.
If you’re using a computer, just click the Search field at the top of Instagram.
If the person’s profile is private and you aren’t following them, you won’t be able to view their Following list. Check from your own profile to see if the person is following you.
If this person also follows hashtags, your profile will be just below the followed hashtags. If you don’t follow the person, check what the “Follow” button on their profile says. If it says “Follow Back,” it means that they already follow you.
