Can a user block a user group?

[JammyDodger]

I think the ‘Add user to group through custom user field’ Automation might be useful for this:

Add users to groups through custom field automation

This guide explains how to automatically add users to groups based on their selection of a custom user field during signup or profile update. Required user level: Administrator Summary Create the necessary groups Set up a custom user field Create an automation to add users to groups Test the setup Creating the groups First, create the groups you want users to be automatically added to: Go to your site’s Admin area Navigate to Groups in the admin sidebar…