I will need more information before concluding what the diagnosis is exactly. However, it is certain that there is a problem that requires urgent attention. There is also the issue of alcohol related problems that need to be assessed. From the details available it is obvious there is significant occupational and relationship dysfunction. It is possible that without immediate attention he may worsen. The longer the duration of illness, the longer it takes to recover. By delaying treatment, there is risk of worsening the outcome.
Next Steps
For these issues you need to take the patient to a psychiatrist. A detailed assessment will help to diagnose the problem. The combination of medication and counseling will help him deal with issues. I also suggest that the family members participate actively in counseling for themselves, as dealing with such patients is very stressful.
Health Tips
If he begins to voice any ideas of harm to self or others, take him to a psychiatrist immediately.