hide participant's

Hello,

This is difficult to do in a Zoom meeting and easier to do in a Zoom Webinar.

The closest thing to what you want in a Zoom meeting is Focus mode.

 This feature gives the host and co-hosts view of all participants’ videos without other participants seeing each other. This extends into screen sharing, as the host and co-host can view and switch between each participant’s shared screen, while the participants can only view their own content. If the host finds a participant’s content should be shared with others, they can easily begin sharing the participant’s screen with others.

Besides the host, co-hosts, and participants spotlighted by the host, participants in focus mode can still see their own video but only see other participants' names, their nonverbal feedback or reactions, and hear them when unmuted.

If enabled, hosts also have the ability to schedule meetings with focus mode, so that the meeting automatically starts with focus mode on.

https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0063004 

Focus mode is not a perfect solution for your request, but gets you much of the way there. If it's not enough then a Zoom Webinar is your only other option. 

Meetings and webinars comparison

https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0062404 

Regards

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