Umar helped Abu Bakr become caliph mainly by supporting him at the Saqifa meeting after the Prophet’s death, then backing him publicly so the wider community accepted the decision. He later reinforced that leadership by serving as Abu Bakr’s chief adviser and helping stabilize the new caliphate.

What happened

At Saqifa, leaders of the Ansar were discussing who should lead the Muslim community next. Umar argued strongly that leadership should stay with the Muhajirun and ultimately put his hand in support of Abu Bakr, which helped unify the gathering around Abu Bakr.

Why it mattered

Umar’s support mattered because he was influential, firm, and able to shift the discussion away from division. Sources describe him as helping reconcile the Medinan Muslims to accept Abu Bakr and later acting as Abu Bakr’s main adviser during his rule.

Simple version

  • Umar backed Abu Bakr at Saqifa.
  • He helped persuade others to accept him.
  • He then supported Abu Bakr’s rule as adviser and organizer.

If you want, I can also give you a short timeline of the Saqifa events in plain English.