How do I stop receiving notifications from a specific friend

I am talking about facebook please help me my one friend flooding posts in groups and I receiving notifications but I don’t wanna unfriend him any solution for me ?
Answer #1
I am talking about facebook please help me my one friend flooding posts in groups and I receiving notifications but I don't wanna unfriend him any solution for me ?
Click the little “^” arrow at the top right corner of one of his post..

Select.. “I don’t want to see this”.
Answer #2
I can’t find these two option there
find only this:

Answer #3
you shouldn’t be getting any notifications if that’s ^ your settings.
Answer #4
you shouldn't be getting any notifications if that's ^ your settings.
what you mean?