The Messenger of Allah ﷺ appointed Abu Bakr as-Siddiq may Allah be pleased with him as leader of the Hajj in Dhu al-Hijjah of Year 9 after the Hijrah (9 AH), so that he would perform the rites with the Muslims.
In Dhu al-Hijjah of Year 9 after the Hijrah (9 AH), Abu Bakr as-Siddiq may Allah be pleased with him led the people in Hajj by the order of the Messenger of Allah ﷺ. Then Ali ibn Abi Talib may Allah be pleased with him was sent to deliver the opening verses of Surat at-Tawbah, and the people were announced that after that year no polytheist would perform Hajj or circle the House naked.

In Dhu al-Hijjah of Year 9 after the Hijrah (9 AH), Abu Bakr as-Siddiq may Allah be pleased with him led the people in Hajj by the order of the Messenger of Allah ﷺ. Then Ali ibn Abi Talib may Allah be pleased with him was sent to deliver the opening verses of Surat at-Tawbah, and the people were announced that after that year no polytheist would perform Hajj or circle the House naked.
It represents a stage in consolidating the Islamic state after the Conquest and Tabuk, and in reorganizing religious and social life according to the rulings of Islam.
In Dhu al-Hijjah of this year: Abu Bakr as-Siddiq may Allah be pleased with him led the people in Hajj by the order of the Messenger of Allah ﷺ.
The Prophet ﷺ ordered Abu Bakr to lead the Muslims in Hajj and perform the rites with them. Then he sent Ali may Allah be pleased with him to tell the people about the ending of treaties and what was revealed in Surat at-Tawbah. The announcement said that a polytheist would not perform Hajj after that year, and would not circle the House naked.
These events came after the Prophet ﷺ returned from Tabuk, and in the context of the revelation of the verses of Surat at-Tawbah, the exposure of the hypocrites, and the announcement of the end of idolatry in the Arabian Peninsula.
Organizing the rites of Hajj in Year 9, announcing the ending of treaties with the polytheists and setting that declaration on equal terms, and showing the end of idolatrous practices in the peninsula.
The state of Hajj changed from the polytheists taking part to them being barred from Hajj and from circling the House naked, and the announcement became a sign of the end of idolatry in the Arabian Peninsula.
It marks a transitional phase in organizing Hajj and declaring disavowal of the polytheists.
It shows that the rites of Islam are carried out by the command of revelation and through public proclamation.
It affirms the authority of the Islamic state over the Sacred Mosque and its seasons.
It changed the pre-Islamic customs in circumambulation and Hajj.
It teaches obedience to the Prophetic command and precise fulfillment of the duty.
It announces the end of idolatry in the Arabian Peninsula.
It establishes the Islamic reference point in the most sacred annual Arab gathering.
Leader of the Hajj and imam of the people in the rites
Delivered the opening verses of Surat at-Tawbah and announced the rulings to the people
Hajj is an act of worship governed by the command of Allah and His Messenger, not by conflicting customs.
Keeping covenants while they remain in force, then clearly declaring their ending when their term expires.
Purifying society from the outward signs of shirk and nakedness in worship.
Showing the independence of Islamic decision-making in managing the Sacred Mosque.
Training the Companions to carry out commands without hesitation.
There is an organized leadership for Hajj and official communication of rulings.
The shift from a season mixed with polytheism to a season devoted purely to monotheism.
The mixing of rites with violations, or the persistence of customs that oppose religious identity.
The need for clear religious authority in organizing public rites.
The importance of dividing roles between leadership, implementation, and communication.
Protecting rites from distortion and organizing them clearly.
Obedience and discipline when given a duty.
It is limited to the lesson and the organization, and no specific ruling is transferred without evidence.
The Prophetic context was about establishing rulings and announcing them, while the modern context is often about applying them within existing institutions.
If custom conflicts with the text, the information is given priority and the ruling is announced clearly.