Dong-in is a traditional Korean term that refers to the concept of "the same person" or "the same group." It emphasizes the idea of shared identity and community among individuals who share similar backgrounds, values, or experiences. This term is often used in social contexts to foster a sense of belonging and mutual support. In Korean culture, Dong-in can also relate to friendships and relationships that are built on trust and understanding. It highlights the importance of connections within communities, where individuals feel a sense of responsibility towards one another, reinforcing social bonds and collective well-being.