If you want less contact without fully blocking, try :

: Tap the menu icon (three horizontal lines or your profile picture) in the corner of the screen.

Open your web browser and go to Facebook.com . Step 2: Click your Profile Picture in the top right corner of the screen. Step 3: Select Settings & Privacy , then click Settings . Step 4: On the left-hand sidebar, look for the Blocking option and click it. (On newer interfaces, this might be under "Privacy" or "Audience and Visibility"). Step 5: You will see a section titled "Block users" with a list of names. Step 6: Click Unblock next to the name of the person you want to reconnect with. Step 7: Click Confirm in the pop-up box.

: Scroll down to the Audience and Visibility section and tap on Blocking .