I took on the responsibility of collecting money from my brothers and relatives; is it permissible for me to take some of it when I am in need and then return it at a later time?

Question:
May Allah reward you with good. A relative of mine who is absent and has children said to me, and I agreed with my brothers and relatives that we would set aside 100 riyals from our salaries each month, known as the *qitah*. I am responsible for collecting this money with me until he returns. Is it permissible, if I am in need, to take from this *qitah* and return it when I receive my salary? In other words, is it permissible to borrow from it or lend someone from it? Please advise us. May Allah reward you with good. This is...

Answer:
It is a trust in your possession, and it is not permissible for you to dispose of it or take anything from it, because it is a trust and a deposit in your possession for its owners, and you are its custodian. It is obligatory for you to preserve it. If you are in need of money, you should borrow from your brothers.