Am I required to pay a monthly rent to my sisters in exchange for my continued residence in the house, after an agreement was made for them to relinquish it to me and for me to settle the value of their shares later?

This question pertains to disputes and contentions, the resolution of which falls under the purview of Sharia courts or their representatives, given their capacity to hear all parties, ascertain facts, and issue judgments. A Mufti hears only from one side, and his perception of the issue is limited; thus, he cannot issue an accurate ruling in such cases. What he mentions is by way of guidance and advice.

What occurred is considered a sale of shares for a deferred price. With this, the buyer gained full ownership of the house, and the sellers became owners of the price, which is an obligation upon the buyer. This is provided that they (the sellers) are mature,成年, and not coerced.