Tā suīrán shì zàijiārén, dàn měitiān dōu niànjīng chīsù.
Although he is a layman, he chants sutras and eats vegetarian food every day.
Tips
mistakes
Not someone who happens to be at home. The word mirrors 出家人, a monk or nun who has 'left home' for religious life; a lay Buddhist who keeps the precepts is also called a 居士.