Hi welcome to HCMForum. YOURdescription sttes that it is a psychological problem probably shizophrinia. Whatis happening is visual and auditory hallusinations. He needs to be treated by a psychiatrist
. besides medicines he may need hospitalsation and electric shock
Besides i advise him to follow some diversion procedures as meditation yoga
gardening reading and hearing music.
I also advise some diet recomendations as take more of green leafy vegetables sprouts fruits and juices to improve general health which in turn improve mental health. wishing for a quick recovery. thanks for calling.