The pledge of twelve men from the Ansar at al-Aqabah, then sending Mus'ab ibn Umayr with them to teach the Quran and spread Islam in Madinah
In the Hajj season of the twelfth year of prophethood, twelve men from the Ansar came to the Prophet ﷺ at al-Aqabah and gave him the pledge, so this pledge was called The First Pledge of al-Aqabah. Then he sent Mus'ab ibn Umayr with them to teach them the Quran and deepen their understanding of religion, and that had a major effect on the spread of Islam in Madinah.

In the Hajj season of the twelfth year of prophethood, twelve men from the Ansar came to the Prophet ﷺ at al-Aqabah and gave him the pledge, so this pledge was called The First Pledge of al-Aqabah. Then he sent Mus'ab ibn Umayr with them to teach them the Quran and deepen their understanding of religion, and that had a major effect on the spread of Islam in Madinah.
It represents an important step in the move of the call from the stage of weakness in Makkah to building a base of faith in Madinah in preparation for the migration.
And during the Hajj season of that year, twelve men from the Ansar came to him, some of them among those who had met the Prophet ﷺ in the previous season. They pledged to him at al-Aqabah, so it was called The First Pledge of al-Aqabah. He sent Mus'ab ibn Umayr with them to teach them the Quran, and many of the people of Madinah became Muslim through him.
The Prophet ﷺ met a group of men from the Ansar in the Hajj season. They embraced Islam and gave him the pledge to remain committed to it. After the season ended, he sent Mus'ab ibn Umayr with them to teach them the Quran and the rulings of religion, and Islam spread among the people of Madinah through him.
Six men from the people of Yathrib had embraced Islam in the previous Hajj season, and they promised the Messenger of Allah ﷺ to convey his message to their people. Then, in the next season, twelve men came, and the pledge took place.
The response of some of the people of Yathrib to the Islamic call and their desire to carry it to their people, along with Madinah's readiness to accept Islam.
In Madinah, Islam moved from being just a few believing individuals to an organized call led by Mus'ab ibn Umayr, and the mention of the Messenger of Allah ﷺ became part of the Ansar's gatherings.
It is among the first pledges that paved the way for the rise of the Muslim community in Madinah.
It showed that the call to Islam can move from the individual to society through teaching and the pledge of allegiance.
It gave the Prophet ﷺ support from the people of Yathrib outside Makkah.
It brought Islam into the homes of the Ansar until there was no house among them without mention of the Messenger of Allah ﷺ.
It showed the role of teaching the Quran in strengthening faith.
It helped build the core of a new community founded on the Message (risalah).
It was direct preparation for the migration to Madinah.
He received the delegation of the Ansar and gave them the pledge, then sent Mus'ab ibn Umayr with them
The Prophet ﷺ sent him with those who had given the pledge to teach them the Quran and Islam
They gave the Prophet ﷺ the pledge at al-Aqabah
Faith begins with a sincere pledge, then comes learning the Quran and acting on it.
Truthfulness and keeping commitments.
Islam spreads within society through families and homes.
The presence of a safe supportive environment for the call to Islam changes its course.
Structured education comes before wider social expansion.
Sending a teacher and Quran reciter marks the beginning of organized da'wah.
Building a new community begins with belief and education.
Weak transfer of religious knowledge to new or emerging communities.
For da'wah to succeed, it needs a sincere pledge, then organized teaching and follow-up.
The importance of preparing callers to Islam and teachers and sending them to communities in need.
Building social cohesion around shared values comes before major change.
To be part of spreading good, learning, and acting on it.
It is limited to the general lesson, without applications not supported by the text.
The prophetic context was the founding of revelation and the Message, while the modern context is application and nurture within an existing reality.
If there is an environment ready for good, begin by teaching it and strengthening it before seeking major results.