ANSWER:

It is not permissible to obey your father in this case, as Riba is a major sin and Allah curses those who deal in it. 

No problem if they all boycott you, you can go on being good towards them and they will eventually be back to normal. You must remain steadfast on Islam even if this meant that you don’t speak to your father for the rest of your life as he is a wrongdoer in Islam for this. 

Sheikh My father want me to take loan and repair house and he have some debt to pay so he force me to do or else he will not talk and he will not allow anyone in family to talk me and my wife .I tried a lot to understand but he don’t and he know about riba and punishment. What should I do Sheikh?

Fiqh of the family, Riba | September 17, 2020 6:16 pm
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Do we need to obey our parents if they tell us to do wrong and bad things, which is not permissible in Islam? What to do if they put more weight on us that we cant bear? Allah says to obey your parents but he also says always stand for truth. What to do in this situation?
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A salafi brother who was owning a business fell into a huge debt. A good amount can be paid back if he was to sell ‘his’ properties. His father passed away 16 years ago and the inheritance has not yet been divided among the son and 2 daughter .The mother agreed verbally to divide the inheritance but did not the shariah way. Someone adviced him to file a case so that he gets whats rightfully his