How to log out of one google account

Tap Your Devices, then Manage Devices. You'll see a list of all devices currently signed in to your Gmail account. Select the device you wish to sign out of and tap the three-dot icon next to the device name. Tap Sign Out.

Sign out on your computer Open Gmail. In the top right, click your photo. Click Sign out.

Click on “Manage devices“. Then, from the three-dot menu icon next to the device you want to log out of, select the “Sign out” option.