A cohost is someone who partners with the to help organize and host the show. The primary role of a cohost is to expand the number of people invited to the show.

As a cohost you should help drive attendance at the show by inviting your friends to attend and publicizing the show.

You can also help with other activities like setting up, bringing snacks, or other coordination activities, but the main goal is to get more people in the door.
​
Review this article on how to invite guests.