It is permissible to spend the Share of the Imam (Sahmul-Imam) to fulfill the necessities of destitute believers, after referring to the Marji or his agents.
You can keep them in the house, but they are najis. You should purify whatever part of your body or clothes comes in contact with a dog via dampness before offering the prayer.
If she lost her virginity by adultery, then the consent of her father or grandfather is a condition in the validity of consummating the temporary marriage. The temporary marriage contract without consummating the marriage does not require the permission of the guardian. The permission of the guardian is not required if his religion does not require it for the validity of the marriage. The permission is also not required if the conventional understanding is that the daughter has absolute freedom in choosing her husband without referring to her father.