Zoroaster, also known as Zarathustra, was born in the city of Rhages in the region of Media (modern-day Iran). According to tradition, his birth was accompanied by miraculous signs, and he was said to have laughed at the moment of birth rather than crying.

At the age of seven, Zoroaster began his formal religious education under the guidance of a wise teacher. He studied the traditional Iranian religious practices and showed exceptional aptitude for understanding sacred knowledge and rituals.

At fifteen, Zoroaster received the sacred girdle (kusti) and underwent the initiation ceremony marking his entry into the religious community as an adult. This rite of passage signified his commitment to the pursuit of truth and righteousness.

Zoroaster left his family home to embark on a spiritual quest, seeking answers to the fundamental questions of existence, good and evil, and the nature of the divine. He spent years wandering and meditating in solitude.

During his spiritual wanderings, Zoroaster studied with various religious teachers and sages across the Iranian plateau. He critically examined existing beliefs and found them wanting, which strengthened his determination to seek divine truth directly.

At the age of thirty, while participating in a purification ritual at the Daiti River, Zoroaster received his first divine revelation. He had a vision of Vohu Manah (Good Mind), who led him into the presence of Ahura Mazda, the supreme deity who revealed the truth of the cosmos.

Over the following years, Zoroaster received additional revelations from Ahura Mazda and the six Amesha Spentas (Holy Immortals). These divine conferences revealed the cosmic struggle between good and evil and humanity's role in the ultimate triumph of righteousness.

Zoroaster began publicly preaching his new religious message, emphasizing the worship of Ahura Mazda as the one true God and the importance of good thoughts, good words, and good deeds. His rejection of traditional polytheistic practices met with fierce opposition.

Zoroaster married Hvovi, a noblewoman who became a devoted follower of his teachings. Together they had several children who would carry forward his religious legacy. His family life exemplified the Zoroastrian values of righteous living.

For ten years, Zoroaster faced rejection from his own people and persecution from traditional priests (karapans) who saw his teachings as a threat to their power. During this difficult period, he gained only one convert: his cousin Maidhyoimanha.

Zoroaster traveled to Bactria and successfully converted King Vishtaspa after engaging in debates with the royal court's priests. The king's conversion was a turning point, providing royal protection and patronage that allowed the faith to spread rapidly.

With royal support, Zoroaster established the first fire temples where the sacred fire was maintained as a symbol of Ahura Mazda's presence. These temples became centers of worship, education, and community gathering for the growing Zoroastrian community.

Zoroaster composed the Gathas, seventeen sacred hymns written in Old Avestan that form the core of Zoroastrian scripture. These profound poems express his direct communications with Ahura Mazda and lay out the fundamental principles of his religious vision.

Zoroaster established a system for training priests (Magi) who would preserve and transmit his teachings. He created rituals, prayers, and practices that would define Zoroastrian worship for millennia, ensuring the survival of his religious message.

Through the efforts of King Vishtaspa and trained missionaries, Zoroastrianism spread throughout the eastern Iranian lands. The faith's emphasis on truth, justice, and ethical behavior resonated with people across different social classes.

In his later years, Zoroaster witnessed the remarkable growth of his religious community. Fire temples flourished, and his teachings became the foundation of Persian religious life. He continued to compose prayers and provide spiritual guidance until his final days.

Zoroaster instituted the Zoroastrian religious calendar with its system of festivals celebrating creation and the seasons. The most important festival, Nowruz (New Year), marked the triumph of light over darkness and the renewal of the world.

According to tradition, Zoroaster was martyred at the age of seventy-seven while praying at a fire temple in Balkh. He was killed during an invasion by Turanian forces. His death did not end his influence; rather, his teachings became the official religion of the Persian Empire under later rulers.