Purchasing airtime advance

Q: Is it permissible to take out airtime advance with networks such as Vodacom and MTN?

Your account gets credited with airtime and you don't pay right away, but you are charged an extra service fee to get the airtime as you do not have to pay for it right away?

Are the children of one's adopted father's second wife mahrams?

Q: I'm adopted by my parents. My adopted mother then breastfed me so they became my foster parents. In 2021, my mother (foster mother) passed away and my father got married to another woman. She already has three children. Are they mahraam to me? Should I have to make purdah from them? Is it permissible to marry them at the same time?

Woman revealing her satr for cosmetic surgery

Q: I need a fatwa regarding treating a female patient by a male doctor in a surgery.

Actually the procedure is cosmetic surgery for droopy eyelids and the male surgeon said that we will take skin from your inner thighs. So I want to ask about the draping procedure and all the male staff along with female staff with male doctors are present.

Is it allowed to expose your body infront of men in the presence of females?

Ash'ari and Maturidi beliefs

Q: I want to enquire regarding Ash'ari and Maturidi theology/beliefs. What do they entail and why do we (اهل السنة والجماعة) follow these imams?

What beliefs of these do we follow as Ahnaaf/Shawafi?

How does following them tie into following the madhaahib?

Is there any detailed books on this authored by reliable authors?

Following the group AICP

Q: Here in France and in several places of the world such as the United States, England, Australia and other countries there is a group calling itself AICP or Ahbash of Lebanon. They are a sect founded by the Ethiopian Abdullah al-Harari, ILIMAN of this group of interesting knowledge.

The problems is that he declares a very large number of Sunni Muslims to be disbelievers, and that even the most gentle people seem suspicious in their eyes. It is complicated because we are really in trouble. They seem to fight the mistaken beliefs of the Salafists but the problem is that many brothers who do not have the mistaken beliefs of the Salafists are disturbed by their takfir on a lot of personalities. Do we have to learn the knowledge of this group or do away? What are your recommendations. We are exhausted seeing every Muslim like suspicious if he doesn't have the beliefs of this group.

Tahajjud

Q: I have some questions regarding tahajjud.

1. How long before fajr does the time for tahajjud end?

2. What is the sunnah method for performing tahajjud?

3. How do I pray tahajjud during haidh?