And it has reached me that from the people of al-Artawiyyah are those who migrated and established themselves and now desire to turn back from their Hijrah, moving with the Bedouins. And this is a great disaster, and the one who does so is not safe from falling into apostasy and from being of those who turned backs on their heels after the guidance was made clear to them. So, be warned of this, and be patient. Endure, be watchful and remain firm upon the command of your Lord and do not be of those who have exchanged the blessing of Allah for Kufr.
And I ask Allah to give Tawfiq (success) and Hidayah (guide) me and to you."
"The one who consumes riba, the one who pays riba the one who knowingly writes down the transaction... and the one who turns back as a Bedouin after his Hijrah; all are cursed from the tongue of Muhammad (sallallaahu alayhi wa sallam) until the Day of Resurrection."
The statement “al-Murtaddu Arabiyyan (apostate to Bedouin life)”, as Ibn'ul Athir said is: “The one who returns to desert and live with the Bedouins after his immigration.” The man who returned to Bedouin life after immigration without excuse was considered an apostate.
Ibnu Hajar said: "Salamah Ibn'ul Akwa (radiyallahu anh) entered upon Hajjaj and he said to him: Oh Ibn'ul Akwa You have turned back on your heels and become a Bedouin. He said: No, Rasulullah (sallalahu alayhi wa sallam) allowed me to return to the wilderness.
Yazid bin Abu Ubayd said: When Uthman bin Affan (radiyallahu anh) was killed Salamah Ibn'ul Akwa went to the Rabdhah and married a woman there. She gave birth to children for him and he did not cease to remain there until a few nights before he died upon which he went to Madinah.
It seems that he is referring to the Hadith narrated about this which was mentioned previously in the list of major sins in the Book of Penalties. From amongst those which were mentioned is: "Whoever returns to become a Bedouin after his Hijrah." It was reported by Nasai from the Hadith of Ibnu Mas'ud (radiyallahu anh), in Marfu fashion: "May Allah curse the one who eats interest and gives it," till the end of the Hadith and it contains: "And the one who returns (Murtad) to being a Bedouin after his Hijrah."
Ibn'u'l Athir said in an-Nihayah: "The one who returned after his Hijrah to the place he made Hijrah from, without an excuse, was considered similar to a Murtad!.."