In Iframe Api how can I set only host can kick the participants?

In my project, everybody can kick everyone. I want to fix it. So How can I set only the host can kick the participants? And when the host kicks someone He will not join that meeting again.

If I recall, you’re using iFrame on the public instance at meet.jit.si. Everyone is a moderator there (unless you use moderated meetings). Either way, you don’t have the level of granular control that you need to accomplish what you’re trying to do. If you host your own server, you have more control over the environment.

How can I use moderated meetings?

It can’t be used with iFrame API.