Detailed Instructions: Answer the question from the given passage. Your answer should be directly extracted from the passage, and it should be a single entity, name, or number, not a sentence.
Q: Passage: 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. Question: Who do gurus control?
A:
their disciples