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Nu'aym ibn Mas'ud

نعيم بن مسعود

Medina

A shrewd chieftain of Banu Ashja' of Ghatafan who converted to Islam secretly during the siege of the Trench; instructed by the Prophet that 'war is deceit', he successfully sowed mutual distrust between the confederate leaders (Quraysh and Ghatafan) and Banu Qurayza, precipitating the collapse of the siege.

Depth

At a glance

Roles
Companion
Counted among
Sunni
Era
The Prophetic Era
Region
Arabia
Review
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In space

Medina

Map: Natural Earth, public domain · places and route from the graph

Converts and those who leaveBattles

Place in the story

  • Convert to IslamtowardMuhammad · 627 CE · 6 AH†Tradition
  • Companion · 627 CE · 6 AH†Tradition

Sunni (transmitted)

Roles are dated and sourced; the museum describes the act and attributes the judgement.

Connections

Born in
Medina
Member of
Ghatafan
Participated in
The Battle of the Trench (al-Ahzab)

People and things also explored

The early Muslim communityHudhayfa ibn al-YamanThe Siege and Judgment of Banu QurayzaBanu QurayzaSalman al-FarisiThe Battle of the Trench (al-Ahzab)Ka'b ibn AsadMuhammad

Sources

  • al-Raheeq al-Makhtum — Safi al-Rahman al-Mubarakpuri
  • al-Sira al-Nabawiyya — Ibn Hisham
  • Zad al-Ma'ad — Ibn Qayyim al-Jawziyya
Cite this page

islam.museum contributors. “Nu'aym ibn Mas'ud”. islam.museum, https://islam.museum/en/person/nuaym-ibn-masud/. CC BY-SA 4.0. Accessed 2026-10-12.

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Wing

People

Prophets, companions, scholars, rulers, scientists, poets, travelers: women and men who shaped the story.
Related

The early Muslim community

The first generation of believers gathered around the Prophet in Mecca and Medina — the persecuted handful of the first decade that became the founding community of Islam.