We have a participant that we have asked not to join our meetings anymore. He has broken many of our group rules and we have talked to him about it. He now joins the meetings under different names on different devices. He became very confrontational when we talked to him and tells many other people that he doesn't intend to stop.
During the meeting you can : Lock Meeting - Remove Participant - Suspend Participant Activities or Report this user to Zoom's Trust and Safety team who will review any potential misuse of the platform and take appropriate action.
Check this article for more details on In-meeting security controls, here
I have the below other suggestions for meeting creation/ schedule