Vimalakirti

Vimalakīrti (विमल ' "stainless, undefiled" + कीर्ति ' "fame, glory, reputation") is the central figure in the , which presents him as the ideal Mahayana Buddhist upāsaka ("lay practitioner") and a contemporary of Gautama Buddha (6th to 5th century BCE). There is no mention of him in Buddhist texts until after (1st century BCE to 2nd century CE) revived Mahayana Buddhism in India. The Mahayana Vimalakirti Sutra also spoke of the city of Vaisali as where the lay Licchavi bodhisattva Vimalakirti was residing.

As a Zen Patriarch
The Vimalakīrti Nirdeśa Sūtra characterizes Vimalakīrti as a wealthy patron of Gautama Buddha. Unlike many other figures of the Mahayana literature, such as, he is generally taken to be a historical figure like Gautama Buddha, rather than mythic or legendary, and as such Vimalakīrti is not commonly venerated on altars or in tantric rituals, but as a prehistoric Zen, i.e., Chan preacher.

Other
In Chinese Chan Buddhist monasteries, a common word for abbot is Fāngzhàng (方丈) meaning "one square zhàng (equal to ten square feet)", a reference to the size of Vimalakīrti's stone room.