Acharyas are revered teachers or spiritual guides in various Indian traditions, particularly in Hinduism and Buddhism. They are known for their deep knowledge of scriptures and philosophy, often imparting wisdom to their students. The term "Acharya" signifies a person who leads by example and embodies the principles they teach. In many cases, Acharyas play a crucial role in preserving and transmitting ancient texts and practices. They may establish schools or monasteries, fostering a community of learners. Notable Acharyas include Adi Shankaracharya, who is known for consolidating the doctrine of Advaita Vedanta, and Ramanuja, who contributed significantly to the Vishishtadvaita philosophy.