Ofuda in the context of "Talisman"

Ippen Shōnin (一遍上人) 1234/9–1289 was a Japanese Buddhist itinerant preacher (hijiri) whose movement, the Ji-shū (時宗; "Time sect") became one of the major currents of medieval Japanese Pure Land Buddhism. Born in modern Ehime Prefecture, he studied in the Seizan branch of Jōdo-shū before meeting with many Shingon and Tendai associated hijiri and then becoming a wandering holy man himself. During a pilgrimage to the Kumano Shrines, Ippen had an experience which inspired him to spread the Pure Land faith throughout Japan. Accompanied by bands of followers, he traveled throughout Japan teaching that salvation lay in the single-minded invocation of Amida’s Name and that the very moment of recitation unites the reciter with the timeless enlightenment of the Buddha. Ippen traveled over fifteen hundred miles, visiting every major population center and devotional center in Japan, such as Kumano, Zenkōji, Taimadera, and Mt. Kōya.

In his itinerant ministry, Ippen combined the devotional recitation of the nembutsu with ecstatic dancing, and the distribution of ofuda (talismans) inscribed with Amida’s Name, which he handed to people as symbols of faith and rebirth in the Pure Land. His teachings blended the Pure Land ideal of Other-Power with Zen non-dualism and the folk religious practices of wandering ascetics. Rejecting all self-powered efforts and sectarian distinctions, Ippen held that the simple recitation of even a single nembutsu invariably linked one with Amida Buddha's enlightenment, assuring our birth in the Pure Land. Ippen’s radical vision of faith and his insistence that the heart can attain birth in the Pure Land while the body remains in this world gave rise to a popular movement that appealed to all social classes. His life is outlined in the Ippen Hijiri-e, a series of narrative painted scrolls which are the main historical source for his life and activities.

Ji-shū (時宗, lit. time sect) is a Japanese school of Pure Land Buddhism founded by the itinerant ascetic Ippen and his disciples. The school has around 500 temples and 3,400,000 followers. The school is also known for its practices of dancing nembutsu (nembutsu odori) and for the distribution of nembutsu talismans (ofuda). Shōjōkō-ji (清浄光寺), a temple located in Fujisawa, Kanagawa, serves as the headquarters of the sect today.

Ji-shū means "school of time" and the name is derived from its central practice of chanting the Nembutsu at regular intervals. This refers to specific periods of intense uninterrupted nembutsu practice that Ippen's group would undertake at certain times of the year. During these retreats, different monks would take turns in leading the chant during the six four-hour periods of the day. According to J. H. Foard, the intended meaning of the term is equivalent to “twenty four hours a day nembutsu group.”