Have Habit Of Washing Hands Repeatedly, Talking To Oneself, Doubts About People. What Is It?

Question : hello doctor,
We have an patient who really behaving normal although his habbits such as washing hands repeatedly, talking to himself taking name of relatives or past peoples, deeply having doubts about people, confusing mind, etc... Since many years he has not left home to go out. He has recently lost his father still his not taking a cent responsibility. He has two daughters still in schools, an aged mother and wife. His daughters has completly lost their childhood wherein they should go school, rome, play, they are being held with him whole day holding his hand. His elder daughter is just of an age 13 who is taking care of their home by bringing households from market that too alone. She has completely lost her grooming and her bright career. We searched for many medical aids althought we found they concept is called as "Obsessive compulsive Disorder". We need SOS on this issue as due to his such behavior his father had lost his faith in himself and his family...