guru

In Indian traditions: a spiritual teacher who transmits knowledge to a shishya.

When the gooroo arrives at the house of a disciple, the whole family prostrate themselves at his feet, and the spiritual guide puts his right foot on the heads of the prostrate family.

The Baiga magicians derive from the old guru who succeeded Nanga Baiga. There is very great confusion about the original guru, and how he was actually related to Nanga Baiga, but there is general agreement that there were originally four great Baiga guru—Daugun, Nindhan, Danantar and Madhakawar, all four brothers.

Any general teacher (as a term of respect).

An influential advisor or mentor.

Many oenophiles rely on the ratings and recommendations of wine guru Robert Parker when selecting the perfect bottle.

A fraudster or conman relying on a projected air of confidence in an obscure field.

OPCA gurus are modern legal alchemists. They promise gold, but their methods are principally intended to impress the gullible, or those who wish to use this drivel to abuse the court system. Any lack of legal success by the OPCA litigant is, of course, portrayed as a consequence of the customer’s failure to properly understand and apply the guru's special knowledge.

To act as a guru; to give wise advice