It's a tough position for your family.
Best would be to talk to your father and ask him that u need to meet a psychiatrist.
If he agrees ok. If he doesn't agree u go and meet a mental health professional.
U may also take opinion from your family elders who can provide you support and may help in other aspects which arrises in such situation.
Prior to taking him along, U may choose to talk to a psychiatrist or clinical psychologist near you, who is good in his/her field and tell your problems before hand.
Health Tips
Stop forcing him or fighting with him and stressing your own self.