If you want to ignore a certain user (hide his posts and activity) you can do it like this:
*note: staff members can't be ignored
How can I unignore user?
Just go to the same location where you ignored a user or visit your account settings:
*note: staff members can't be ignored
- visit his profile and click on the Ignore button:
OR
- hover over username or avatar and click the Ignore button:
How can I unignore user?
Just go to the same location where you ignored a user or visit your account settings: