Oppressors monetary support

She has joint finances with her husband and she has children from a former husband, and she wants them to have a share like that of her child from her current husband

If you were given a loan or a gift with certain conditions, you should not spend it on anything else

He spent on his siblings so that they could get married; can his father allocate something of the estate to him?

He collected money for his father’s medical treatment; what is the ruling on the surplus money?

Ruling on a father giving wealth to his children and heirs whilst he is still alive

He gave his infant grandson a car as a gift, but he did not give anything to his other grandchildren

He gave one of his wives a house with the agreement of his children from his other wife; after he died, they objected. Is the gift valid or is it part of the estate?

His father gives him money for his university expenses, then there is some extra money left over; is it permissible for him to take it?

Is it permissible for him to accept membership in a Housing Society, which will enable him to get a flat for a cheap price?