Caring for parents when they are old

Question:
Please, Sister Umm 'Abd al-Rahman. Peace be upon you, and Allah's mercy and blessings. And upon you, and Allah's mercy and blessings. Peace, Allah's mercy, and blessings be upon you, please go ahead. My dear brother, regarding the words of the Honorable Shaykh, the words of the Honorable Shaykh are with respect to, I mean, your father, if you please, I mean, you see, these mothers do not treat their sons and daughters equally. And they divide things up, I mean, it is not that all mothers do not know their children or fear Allah, and you see how they mix up sins and kindness, and say, "Pray for mercy," and say, "There is no fear of Allah here." The most important thing, I mean, a widow, I mean, a widow from her husband, and she stayed, I mean, she was left in her home and stayed with her mother, and her mother does not look after her, she looks after her sisters who are better off than her, I mean. I mean, their sisters are employed and teachers, and this is because she is a poor widow, her husband passed away a long time ago, eighteen years ago he passed away, may Allah have mercy on her. Is it clear, Sister Umm 'Abd al-Rahman? It is clear. May Allah reward you with good. You would like advice from the Honorable Shaykh Salih regarding the daughters being dutiful to their fathers and mothers when they are advanced in age?

Answer:
Yes, it is obligatory for the child, whether male or female, to be dutiful to his or her parents, or to whichever of them is still alive, because the right of the parent comes after the right of Allah, Glorified and Exalted is He, .
So the right of the parent is great upon his child through dutifulness and kindness to him, whether the child is male or female, because the parent has advanced kindness to this newborn while he was small, and took care of him and raised him. So if the parent, in his old age, needs someone to help him, and someone to assist him and take care of his affairs, then this is obligatory upon the child. And undutifulness to the parents, or to one of the parents, is among the major sins, a major sin after shirk (associating partners with Allah), among the major sins. Just as his right is after the right of Allah, so these daughters should be kind to their parents, and each one should be dutiful to her parents, either by cooperating with the others, or by one of them doing it alone, or one of them doing it alone. And she has the great reward. So do not say, "My sisters did not do what was required of them, and I am not obligated to act on their behalf." No, she must be dutiful to her parents according to her ability, and she should not look at the shortcoming of her other sisters. Yes.