Sue in small claims court. Costs about $50 to file, plus $100 or so for a process server. Check Google's terms of service.[1] They're not too bad. There's no forced arbitration. You can go to Small Claims Court in Santa Clara County, CA. Google lists the reasons they can terminate an account. It's not a "sole discretion" thing; they have specific reasons listed. So Google will have to show in court that you violated…
[1] https://www.huffpost.com/entry/why-i-sued-google-and-won_b_1...