My father borrowed a sum of money from my mother, and I told her: If my father does not repay you, I will pay on his behalf. After years, my father passed away, and now my mother demands repayment of the amount. Should I pay off the debt on behalf of my father, or are the heirs responsible for repaying it, knowing that the estate has been divided among all the heirs?

Three people and an eight-year-old entered an open buffet. Upon entry, they paid for three. What is the ruling regarding the child eating with his father? Note that the restaurant requires individuals aged 5 years and above to pay 10 dinars.

I trade in food products. However, some traders hoard items because they know that their prices will increase in the near future. What is the ruling of Islam on this?

A creditor whispered to himself: "If the debtor repays the debt in this worldly life, it is my right. If he does not, then I have forgiven him in the Hereafter. "However, he continued to demand this debt, but encountered procrastination from the debtor. According to Islamic Law, is it permissible for the creditor to retract his forgiveness in the Hereafter, knowing the virtue of forgiveness in the sight of Allah The Almighty?

Considering that the Imam resides outside the boundaries of the mosque, is it permissible to pay the rent of the his residence from the mosque`s donations fund?

I began working with an online platform as a lecturer for one of the university subjects. The arrangement was that I provide (60%) of the content, and the platform manager takes (40%) for advertising the course, as well as uploading the videos to the platform. Lately, I've noticed a lapse in the platform's responsibilities. I handle the teaching, advertising, and video uploads, while they haven't fulfilled their agreed-upon duties. Is it permissible for me to take the full (100%) considering their non-compliance with the agreed terms? I have informed the responsible party about the shortcomings, but it has been to no avail. Consequently, I decided to work independently without using their platform and take the full percentage. Is this permissible?

A medical book is sold in the market through a distributor. I contacted the manufacturing company, and they said, "There is no exclusive distributor for the book, and you can buy and sell it as you wish." Is it permissible for me to sell the book? Does this fall under the  meaning of the Hadith which states: "One of you must not sell (his own goods) when his brother has already sold (his goods)", or is it considered legitimate competition?

A company sells food products and wants to market them through a competition. This competition involves placing vouchers (coupons) inside a certain number of products. After purchase, the customer who finds a voucher inside the product wins an immediate cash prize or a free quantity of the product itself. In light of the teachings of Islamic Law, is this permissible?

Is it allowed to sell animal semen, and is there a distinction between this and the Prophet's prohibition concerning taking hire for stallion`s covering?

My sister asked me for a loan, so I want to give her a piece of gold to weigh and sell. When she repays the debt, I will ask her for a piece of gold of my choosing, of the same weight and that she bears the goldsmith`s fee. Is this permissible?

During the olive harvesting season, some owners of olive groves arrange for the payment of olives to those who harvest them, in exchange for a specific number of oil tins (A tin takes around sixteen kilos of olive oil). The owner of the trees might say to the worker, "Harvest my grove, and give me three tins after the extraction of the olive oil." What is the ruling of Sharia on this?

Some people purchase grapes before their ripening, or, sometimes, before their formation, with the aim of obtaining their leaves. Is such transaction permissible?

What is the ruling of Sharia on transferring the furniture, such as prayer rugs and books, dedicated as Waqf to a specific mosque to another mosque?

I work as an intermediary through an application. Among the rewards, there is a card called a "gift card". I buy it for 190 dinars while it is loaded with 212 dinars, and I pay for it through electronic banking. After payment, they send me a code to use on the website when making a purchase. What is the ruling of Sharia on this card?