What is this old gentleman in charge of?

The old gentleman helped the Jade Emperor manage people's thoughts and was in charge of all Taoist affairs, such as practicing Dan and giving lectures.

Taishang Laojun is recognized as the founder of Taoism, that is, Taiqing Moral Buddha. Also known as Daozu, Taishang Daozu, the Buddha who robbed the emperor at the end, the Buddha of morality, the Buddha of birth, the Buddha of mixing gods and the Buddha of learning from others. In the solemn Taoist Sanqing Hall, there are three majestic statues. This is the highest god of Taoism, the founder of Sanqing. Sanqing means Jade Qing Yuan Shi Tian Zun, Shangqing Lingbao Tian Zun, Taiqing Moral Tian Zun, and Taiqing Moral Tian Zun means Taishang Laojun. Taozu Laojun went to Yujing, the ancestor of God King; I am the Lord of the flying fairy. He is the supreme god. He often preaches and publicizes Taoism in two places. Tao Te Ching, the classic of the ancestors of Taoism, has more than 5,000 words. February 15th of the lunar calendar is the Christmas of the founder of Taoism, and it is an international Taoist festival.