Guru | Sikhism
Guru, in Sikhism, any of the first 10 leaders of the Sikh religion of northern India. The Punjabi word sikh (“learner”) is related to the Sanskrit shishya (“disciple”), and all Sikhs are disciples of the Guru (spiritual guide, or teacher). The first Sikh Guru, Nanak, established the practice of
Source: britannica.com