Hi Eric,

You can use the filter criteria "Interacted with Facebook page" or "Has liked Facebook post" to identify people who have engaged with the Facebook page affiliated with your broadcaster.

To create a recipient list for your email including only contacts who have not been engaged with your Facebook page, you can toggle either of these criteria to their "has not" version - and then save the filter. You will then be able to send your email blast directly to your saved filter.