What is the legal ruling regarding the ownership of the house inhabited by the brother, and is it considered an inheritance after the father's death, knowing that the land is registered in the father's name, and the brother contributed financially to completing the construction of some rooms and furnishing them, while the father considers what the brother paid to be assistance to him?

There are two methods for resolving disputes between relatives: judicial ruling or reconciliation. Reconciliation is recommended because it ends the disagreement and prevents the severing of kinship ties, which is forbidden by Islamic law. Some scholars believe that reconciliation is the best way to resolve disputes among kin, unless the right is clearly established or there is a fear of discord or animosity. Therefore, it is advisable to persuade the father and brother to resolve their dispute through reconciliation.