yes, it is perfectly proper for any person to file a complaint against an attorney who does the thing that you have alleged. The State Bar of California investigates complaints of attorney misconduct.
Here is a link to the full set of the California State Bar Rules of Professional Conduct. Most of these rules have also been enacted as statutes, found in the Business and Professions Code (§6000 et seq.) This is the master list of what the California State Bar will and will not investigate.
That kind of treatment is unethical when you are opposing an attorney. I would contact the CA Bar.
To report suspected elder abuse, neglect, or exploitation in North Carolina:
The following North Carolina agencies can help you file a complaint against a nursing or long-term care facility, as well as provide you with additional information and support regarding senior neglect and abuse:
The following laws were enacted to help protect seniors in North Carolina against abuse: