The ruling on paying zakah from a trust and the ruling on disposing of it

Question:
I have a sum of money held in trust. Is it obligatory for me to pay its zakah, knowing that the owner of the money has not agreed to the payment of zakah due to his ignorance of the rulings of the Shari'ah?

Answer:
It is not permissible for you to pay its zakah yourself, but you should advise its owner. You should say to him: "Zakah is obligatory," or you should say to him... or he should pay it himself, or he should give you permission. You should suggest to him that he give you permission... so that you can pay the zakah on this trust. As for paying it without his permission and without his agency, no, that is not allowed. But advise him, and explain to him the ruling of the Shari'ah, and that zakah is obligatory on that which has been possessed for a lunar year, until he gives you permission, until he appoints you as his agent.
Is it permissible to dispose of the property of a trust without the permission of its owner?

Answer: No, he has no right to dispose of it except with the permission of its owner.
Even if it is counted and known?

Answer: Even if it is counted and known, he does not dispose of it except with his permission.