An individual who uses Google services for personal, non-commercial purposes outside of their trade, business, craft, or profession. This includes “consumers” as defined in Article 2.1 of the EU Consumer Rights Directive. (See business user)
Google is usually fine with it anyway, but I assume they would stop ignoring it for cases where lawyers are involved.
By the look of it, it seems he was using a personal gmail for business, which a violation of the terms of service on its own.
Now that I did not know. What term does it violate? I see new businesses do that all the time.
https://policies.google.com/terms/definitions?hl=en-US&hl=en-GB defines consumer as
Google is usually fine with it anyway, but I assume they would stop ignoring it for cases where lawyers are involved.