Only the Circle owner can assign and edit permissions.
In the web browser:
On the left side of your screen, click Members.
Click the orange box at the top right that says +Add Member.
Enter their First Name and Email and edit the new member’s Permissions.
Click Continue.
In the mobile app:
Tap the hamburger menu (three lines) at the bottom right-hand corner of your screen.
Tap the orange box that says +Member.
Enter their Name and Email and edit the new member’s Permissions.
Tap Continue.
OR
Tap the Circle name.
Tap the orange box at the bottom right that says +Invite Member.
Enter their Name and Email and edit the new member’s Permissions.
Tap Continue.