https://appleinsider.com/inside/mac/tips/how-to-set-up-and-manage-a-guest-user-to-your-mac
On occasion, you may want to allow other people in your home to access your Mac, but not your personal account. We’ll show you how to set up and manage temporary guest users.
If you are routinely sharing your Mac with someone else, it might be best to set up a second administrator or just a Standard user account for them. For short-term access, for visitors as an example, you can create a Guest User account.Doing so allows limited use of your computer without a password needed, or any access to your other accounts. It is important to note that nothing is retained in the Guest User account once the guest logs out…
