I actually just found it!! On my mobile I searched under search but didn't see advanced search above it (tiny font on my phone). Thank you so much and some terrific information to read up on!!
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .