In Hinduism the spiritual teacher is known as a guru, and, in many traditions of Hinduism - especially those common in the West - the emphasis on spiritual mentorship is extremely high, with gurus often exercising a great deal of control over the lives of their disciples.
What is the name of the spiritual teacher in Hinduism? Is the focus on spiritual mentorship in Hinduism high or low? Who do gurus control? In what area is it common for spiritual mentorship to be extremely high?