Ruling on doing essential repairs to houses using zakaah money

He gave zakaah to a debtor and did not tell him that it was zakaah, and after a while he came and returned the money to him

Is it permissible for him to give zakaah to his sister so that she can get married, as her father has died but her mother is still living?

The evidence for not giving zakah to ascendants and descendants

She gave her zakaah to her father for five years; she did not know that what she was doing was wrong. What should she do?

Ruling on giving zakah to prisoners who are in debt

Can she give the zakaah of her wealth to her brother who is sponsored by her father?

Can he take back the zakaah of his wealth if he gave it to a poor person then found out that he did not need it?

Ruling on giving zakah to charitable organisations that help displaced people and migrants

He was entrusted with something and did not take proper care of it, and he has no wealth; could he be given zakaah to pay off this trust?