It would help if you clarified what you mean by "abuse charges." Child abuse? Spousal abuse? Substance Abuse?
The California Department of Public Health licenses certified nursing assistants. Their website is:
In most cases, when criminal charges are filed against a health care professional, the licensing agency is notified. They may suspend your license pending the outcome of the case. Some convictions may result in suspension or revocation of your license.
The list of convictions that can disqualify you for a CNA license includes many child abuse, spousal abuse, and elder abuse charges.
Please understand that this is a general discussion of legal principles by a California lawyer and does not create an attorney/client relationship. It's impossible to give detailed, accurate advice based on a few sentences on a website (and you shouldn't provide too much specific information about your legal matter on a public forum like this site, anyway). You should always seek advice from an attorney licensed in your jurisdiction who can give you an informed opinion after reviewing all of the relevant information.
There may be criminal charges brought against the person. Additionally, a civil suit could be filed seeking compensatory damages, punitive damages,and possibly attorney fees. More facts would be needed to know the extent of the individual's culpability.