Rishi (Sanskrit: ऋषि, romanized: ṛṣi) is a term for an accomplished and enlightened person
They find mentions in various Hindu Vedic texts
Rishis are believed to have composed hymns of the Vedas
Post-Vedic tradition of Hinduism regards the rishis as “great yogis” or “sages” who after intense meditation (tapas) realized the supreme truth and eternal knowledge, which they composed into hymns
The term appears in Pali literature as Ishi and in Buddhism, they can be either Buddhas, Paccekabuddhas, Arahats or a monk of high rank