A guru is one who is regarded as having great knowledge, wisdom, and authority in a certain area, and who uses it to guide others (teacher). Other forms of manifestation of this principle can include parents, school teachers, non-human objects (books) and even one's own intellectual discipline, if the aforementioned are in a guidance role.

In the religious
Religion is a collection of cultural systems, belief systems, and worldviews that establishes symbols that relate humanity to spirituality and, sometimes, to moral values. Many religions have narratives, symbols, traditions and sacred histories that are intended to give meaning to life or to...

 sense the term is commonly used in Hinduism
Hinduism is the predominant and indigenous religious tradition of the Indian Subcontinent. Hinduism is known to its followers as , amongst many other expressions...

, as well as in other Indian religions and new religious movement
New religious movement
A new religious movement is a religious community or ethical, spiritual, or philosophical group of modern origin, which has a peripheral place within the dominant religious culture. NRMs may be novel in origin or they may be part of a wider religion, such as Christianity, Hinduism or Buddhism, in...


"Rely on the teachings to evaluate a guru: Do not have blind faith, but also no blind criticism." :The Dalai Lama|Dalai Lama speaking of the importance of the guru.

Spiritually Realised Adepts ( or Transmisson Masters or true Gurus or Sat-Gurus ) are the principal Sources, Resources and Means of the esoteric or Spiritual Way . This fact is not (and has never been ) a matter of controversy among real Spiritual Practitioners. Adi Da Samraj|Adi Da Samraj from Ruchira Avatara Gita