have the right to manage his money, or the agent if he has an agent? The agency is immediately void.

Can his guardians manage his wealth, or the agent if he has one? The agency is immediately void.

As soon as a person loses consciousness, it is as if he has died; the agency is void, and the agent is not allowed.

to act, as if the agency has been canceled. This is regarding the agency. As for his guardians, it depends.

If it was his habit to give charity, for example, or spend on his household and so on, they should continue.

They spend on his household and give charity on his behalf, there's no problem. But if that was not his habit, then it is not allowed for him to touch it.

He does not lose what he feels.

That's it, as for guardianship, they only act in what benefits him.

They do not give charity on our behalf. If they give charity on our behalf, may Allah reward them, it should be from their own money.

No, because these funds now include the rights of the heirs.

So it is not allowed for them to use it. If it was his habit to give charity, they do as he used to do.