Muhammad is a Quraysh tribesman and merchant who becomes the foundational prophet of Islam. Deeply concerned by his tribe's shift away from communal values, he preaches a message of social justice, egalitarianism, and care for the poor. He faces severe political opposition from Meccan elites. This conflict forces him to flee to Yathrib, where he establishes the first Islamic community, or ummah.

Abu Bakr is Muhammad's father-in-law and the first political-religious successor to lead the ummah. He spends his reign suppressing tribal defections during the Wars of Riddah. He fights to maintain the political and religious unity that Muhammad established.

Umar expands the Islamic empire far beyond the Arabian Peninsula into regions like Egypt, Syria, and Persia by reviving the pre-Islamic practice of tribal raiding. To keep peace, he establishes policies that prevent Arab soldiers from settling inside the towns of conquered populations.

Uthman is a member of the Umayyad family who leads a rapidly expanding military empire. He sparks resentment by appointing his own family members to high government positions. Soldiers view these actions as a violation of Islamic egalitarianism, sparking intense rebellions against his leadership.

Ali is Muhammad's son-in-law and closest living male relative. He takes control of the caliphate during a period of immense instability. He immediately faces military opposition from factions demanding revenge for violence against his predecessor.

Mu'Awiya is a prominent member of the Umayyad family who refuses to accept Ali's rule. Through military force and strict policy, he deposes Ali and establishes the Umayyad Caliphate. He shifts the Islamic government toward an absolute monarchy to manage its vast territory.

Khadijah is a successful merchant who is fifteen years older than Muhammad. Her wealth affords him the financial stability necessary to focus on his religious practices and eventual revelations. She suffers through the starvation and boycott imposed by the Meccan elites.

The Angel Gabriel is a divine messenger who visits Muhammad. He presents Muhammad with the holy text that eventually becomes the Quran, demanding that Muhammad read it despite his illiteracy.

Aisha is a wife of Muhammad who commands respect and authority within the early Muslim community. She leads a faction known as the Uthmaniyya to oppose Ali, criticizing him for failing to avenge the rebellions against Uthman.

Hussain is the son of Ali who opposes the absolutist rule and wealth consolidation of the Umayyad dynasty. His forces clash with the Umayyads in Iraq during what becomes known as the Second Fitnah.

Fatimah is Muhammad's daughter and a crucial figure in Shia Islam. Her marriage to Ali establishes the lineage that Shia Muslims believe holds the sole legitimate claim to spiritual and political leadership over the ummah.

Gamal Abdel Nasser is a twentieth-century Egyptian leader who enforces secular political models. His government ruthlessly pursues and violently suppresses Islamic political groups. This targeted aggression causes severe ideological backlash.

Sayyid Qutb is an influential Egyptian intellectual who develops Sunni fundamentalist ideology in direct response to the violent secularism of the state. He preaches that politicians who separate religion from politics are apostates, and he advocates for forceful resistance against them.

Abul Ala Mawdudi operates in the aftermath of the partition of India, developing hardline theological interpretations in response to colonial trauma. He introduces the unprecedented idea that military jihad is a central tenet of the faith on par with its traditional pillars.