Revenge Porn Harassment

My 18 year old son has had a revenge porn video posted of him from when he was in highschool. Yesterday he told me he is thinking of suicide. He is distraught over this. I have found him sobbing in his room. He is extremely sad and depressed now. This video was recorded when he was under age and is explicit. Now he is being harassed at work by his coworkers that have seen this video. They are saying things like you should slit your wrists, hang yourself, calling him disgusting nicknames, bragging about how they are going to watch the video again and more. He reported it to his supervisor and he is not helping. We are in California. What can he do to protect himself? He is afraid he will lose his job. How can we get him help?