You can manage the people for your entire account from the people section. If you want to learn more about managing people within a loop CLICK HERE.
Android user? Click here to learn how to Manage People on the Android app.

From your loops homepage, tap on the three horizontal lines in the top left corner.

Tap on People.

If you need to add a new person to your global people section tap on the plus sign in the top right.

Type in the name, email address, and any other information you want to add. Tap on Done to save the details.

If you need to email, edit, or remove someone you can tap on the overflow icon (three vertical dots) to see those options.