Step 1 : Introduction to the question "Siddhartha Gautama is believed to be the founder of what religion?"
...Buddhism is an Indian religion attributed to the teachings of the Buddha, supposedly born Siddhartha Gautama. Siddhartha Gautama was a monk, philosopher, and religious leader on whose teachings Buddhism was founded. According to the Buddhist sutras, Gautama was moved by the innate suffering of humanity and its endless repetition due to rebirth. He is believed by Buddhists to be an enlightened teacher who attained full Buddhahood. Buddhism is the world's fourth-largest religion with over 520 million followers, or over 7% of the global population, known as Buddhists.