The term yogi is derived from Sanskrit and refers to a practitioner of Yoga, which is an ancient Indian philosophy that emphasizes the importance of physical postures, breath control, meditation, and mindfulness in achieving spiritual enlightenment. A yogi is someone who has dedicated their life towards mastering these practices and embracing the principles of Yoga to attain inner peace, harmony, and balance. They are often associated with a lifestyle that includes vegetarianism, non-violence, and simplicity as they strive for self-realization through spiritual growth.