Hadith 3558
Narrated Jabir ibn Abdullah: The Prophet ﷺ said: Life-tenancy is lawful for the one to whom it is given and donation of property to go to the survivor is lawful to whom it is given.
Hadith 3559
Narrated Zayd ibn Thabit: The Prophet ﷺ said: If anyone gives something in life-tenancy, it belongs to the one to whom it is given, in his life and after his death; and do not give property to go to the survivor, for if anyone gives something to to to the survivor, it belongs to him.
Hadith 3560
Mujahid said: Umra means that a man says to another man: It belongs to you so long as you live. When he says that, it belongs to him and to his heirs. Ruqba means that a man says to another: From me and from you.