how to cancel this account

You can simply stop using the Apple ID, after canceling any subscriptions and authorizations.

See or cancel your subscriptions - Apple Support

Authorize or deauthorize your computer for iTunes Store purchases - Apple Support

Or can temporarily deactivate the Apple ID.

It is possible to entirely delete an Apple ID, but make sure you first release all devices associated with that Apple ID, or you will brick those devices.

YOU WILL BRICK DEVICES STILL LOCKED TO A DELETED APPLE ID.

See the following to deactivate or to delete an Apple ID:

https://privacy.apple.com/

Also see this:

https://www.wikihow.com/Delete-an-Apple-ID