you could start off by clicking on Friends on the left-hand menu.
Now pop up your Facebook Chat screen, and smack the little green toggle switch.
At this point youll be signed out for those people.
Thanks to Brenna for pointing out this tip.
How Do I Hide from Specific People on Facebook Chat?
Everybody’s got that one family member on Facebook that you just don’t want to talk to, but they bug you every time you sign into Facebook chat anyway
