A śramaṇa (श्रमण, ʃrɐmɐɳɐ) or samaṇa (𑀲𑀫𑀡; shāmén) is a person "who labours, toils, or exerts themselves for some higher or religious purpose" or "seeker, one who performs acts of austerity, ascetic". During its development, the term came to refer to several non-Brahmanical ascetic religious movements parallel to but separate from the Vedic religion (and its modern-day form Hinduism). The Śramaṇa tradition includes primarily Jainism, Buddhism, and others such as the Ājīvika.
The śramaṇa religions became popular in the same circles of mendicants from greater Magadha that led to the development of spiritual practices, as well as the popular concepts in all major Indian religions such as saṃsāra (the cycle of birth and death) and moksha (liberation from that cycle).
The Śramaṇic traditions have a diverse range of beliefs, ranging from accepting or denying the concept of soul, fatalism to free will, idealization of extreme asceticism to that of family life, renunciation, strict ahimsa (non-violence) and vegetarianism to permissibility of violence and meat-eating.
One of the earliest recorded uses of the word śramaṇa, in the sense of a mendicant, is in verse 4.3.22 of the Brihadaranyaka Upanishad composed by about the 6th century BCE. The concept of renunciation and monk-like lifestyle is found in Vedic literature, with terms such as yatis, rishis, and śramaṇas. The Vedic literature from pre-1000 BCE era, mentions Muni (मुनि, monks, mendicants, holy man). Rig Veda, for example, in Book 10 Chapter 136, mentions mendicants as those with kēśin (केशिन्, long-haired) and mala clothes (मल, dirty, soil-colored, yellow, orange, saffron) engaged in the affairs of mananat (mind, meditation).
केश्यग्निं केशी विषं केशी बिभर्ति रोदसी । केशी विश्वं स्वर्दृशे केशीदं ज्योतिरुच्यते ॥१॥
मुनयो वातरशनाः पिशङ्गा वसते मला । वातस्यानु ध्राजिं यन्ति यद्देवासो अविक्षत ॥२॥
He with the long loose locks (of hair) supports Agni, and moisture, heaven, and earth; He is all sky to look upon: he with long hair is called this light.