If the “Friends” tab does not display any friends, you’ll have to hope that you eventually make some mutual friends with this person. Look for posts that they comment on and send friend requests to the original poster.
You can also log into the Facebook website. Enter your email and password to log in.
Open their profile page by searching for their name, email address, or phone number at the top of the app or website. Tap or click the “Add Friend” button on their profile page. When they accept your friend request, they will be added to your friends list. If the “Add Friend” button is not available, you’ll need to have at least one mutual friend with that person. Keep adding other people and you’re bound to get a mutual friend soon.
Android - Tap the Friends button at the top of the screen, then scroll down to the “People You May Know” section. iPhone - Tap the Friends button at the bottom of the screen, then scroll down to the “People You May Know” section. Desktop - Click the Friends button in the top blue bar on the Facebook page and select “See All. " Scroll down through the list of people Facebook thinks you may know based on your mutual friends.
Open the person’s profile page. This works best if you’re already friends with the person, as their friends list won’t be hidden. Tap or click the “Friends” tab to open their friends list. Tap or click the “Mutual” tab to view the friends you share with this person.
