Depression Support Group
Depression is a real and debilitating condition that is often misunderstood by family and friends. Its meaning can range from a prolonged period of sadness to an actual mental illness with specific symptoms. Find and share experiences with others who are going through the same struggles.
Does your brother have a therapist or psychiatrist? If so, then you might want to see that person (people) and see if they can help guide you and the ins and outs of interacting with a person who is schizophrenic; even better if they can give you specific advice for your brother.
Yes, schizophrenia is very complex, and trying to navigate these waters by yourself is likely to involve a lot of trial and error, and the problems (like physical violence) that come with that.
gentle hugs