Who is the sahabi that is known as hawariyunnabi?

The sahabi known as "Hawariyunnabi" is Abu Bakr al-Siddiq. This title, which translates to "the disciple of the Prophet," highlights his close companionship and unwavering support for the Prophet Muhammad. Abu Bakr was the first adult male to accept Islam and played a crucial role in the early Muslim community, eventually becoming the first caliph after the Prophet's death. His dedication and leadership were instrumental in the spread of Islam.