Zayd ibn Harithah (Arabic: زيد بن حارثة) or Zayd mawla Muhammad (c. 588-629 CE) was a prominent figure in the early Islamic community and the only one of sahaba whose name appears in the Qur'an (33:37). As he was the adopted son of the Islamic prophet, Muhammad, before Islam abolished adoption in exchange of Kafala. He was an early convert to Islam and later, a military leader. He died c. 629 CE at the Battle of Mu'tah.
Read more about Zayd Ibn Harithah: Early Life, Conversion To Islam, Adoption Abolished, Marriage To Zaynab Bint Jahsh, The Hijra, Military Expeditions Led By Zayd Ibn Harithah During The Time of Muhammad, Martyrdom, Legacy