You can use Instagram's built-in contacts syncing tool to get suggestions for who to follow on the app.

One of the most straightforward methods to find contacts on Instagram is by syncing your phone's contact list. Here’s how you can do it: If you know the name or username of the person you are looking ...

To add friends, select people from the list and then tap Done. To remove friends, return to the list and deselect them or choose Clear all. This article explains how to use Instagram’s Close Friends ...