Hosting a Zoom meeting with a large number of participants can be tough. By adding a co-host to your session, you can share hosting privileges, let them take on some of the workload like managing attendees and screen sharing. This is how it is done.
Enable Zoom Host Setting
Before you can add a co-host to a Zoom video conference, you must enable the setting. To do this, go to the Zoom web portal, log into your Zoom account and then select the "Settings" tab.
You will now be on the Meeting tab in the Settings menu. Here you scroll down until you find the option "Co-Host".
Zoom has many options on this page, so it's easy to overlook something. To make things easier, we recommend using the shortcut “Control + F” (command + F for Mac) and typing “co-host” in the search box.
If you use the search function you will get where you need to be. Switch on the slider next to the “Co-Host” option to activate the Zoom co-host feature.
 With this enabled, the host can now assign a co-host to a meeting. The co-host has the same controls at the meeting as the host. However, a co-host cannot start meetings scheduled by the host.
Adding a co-host to a zoom meeting
To assign a participant as a co-host, you must first select the "Manage Participant" button at the bottom of the conference call window during a Zoom call.
A list of participants will appear in the right pane, hover over the name of the participant you want to co-host and select the "More" option.
From the menu that appears, select "Make Co-Host."
A popup message will confirm that you want to host this meeting for your meeting Select "Yes" –
Verify that the selected participant has (Co-host) label next to it their names.
Delete a co-host in a zoom meeting
If you want to revoke the co-host privileges, hover over the co-host's name, click the "More" option, and then select "Withdraw Co-Host Permission" from the menu.
 You can add an unlimited number of co-hosts to a Zoom meeting using this method. the meeting earlier than expected, be sure to transfer host privileges before doing so, otherwise the video conference will suddenly end the moment you end the call.