The Union is dedicated to actively seeking out the remarkable individuals and stories of Diligentia College. Through activities such as receiving visitors, conducting interviews, writing articles, and creating multimedia content, the ambassadors showcase the personal charm of Diligentia students, tell the story of the college to the outside world, and convey the college's culture. Their efforts aim to bridge the gap between people, spreading the humanistic care of Diligentia College to a wider and more distant world.