This wikiHow teaches you how to stop others from posting to your Facebook wall using both the mobile app and desktop site.
EditSteps
EditiPhone
- Open the Facebook app. As of March 2017, you do not have the option of stopping one specific person from posting on your wall unless you block them.
- Tap . It's located at the bottom-right corner of the screen.
- Tap . It's towards the bottom of the list of menu options.
- Tap .
- Tap .
- Tap .
- Tap . Doing so will prevent others from posting to your Facebook wall.
EditAndroid
- Open the Facebook app.
- Tap . It's located near the top-right corner of the screen.
- Tap . It's towards the bottom of the list of menu options.
- Tap .
- Tap .
- Tap .
- Tap . Doing so will prevent others from posting to your Facebook wall.
EditDesktop Site
- Go to www.facebook.com.
- Enter your login information if prompted.
- Click the drop-down arrow. It's located at the far right corner of the screen next to the question mark icon.
- Click .
- Click . It's located in the menu on the left side of the screen.
- Click next to "Who can post on your Timeline?" A drop-down menu will appear underneath the question.
- Click the drop-down box.
- Click .
- Click . It's located on the far right of the "Who can post on your Timeline?" question. Doing so will prevent others from posting to your Facebook wall entirely.
Source: http://www.wikihow.com/Prevent-Friends-from-Posting-on-Your-Facebook-Wall