Navigate to the Group Info tab

To change individual permissions, use the user dropdown to the left of the user's name and select Change [USER]'s Account Permissions. Select the Roles you want that specific user to take on.

Select the user(s) for which you want to modify permissions, click Change Permissions, and then select the Roles you want your user(s) to take on.

Users will need to refresh their page in order to have permissions fully granted

In order to take permissions away, select your user(s) and then select only Participant (if they are going on the trip)

To see what permissions have been assigned, use the filters on the bottom of the Trip Roster section