We cannot escape Umwelt; we must learn to live in the world around us and to adjust to changes within this world.
We also live in the world with people, that is, Mitwelt. We must relate to people as people, not as things. If we treat people as objects
To live in Eigenwelt means to be aware of oneself as a human being and to grasp who we are as we relate to the world of things and to the world of people.
Dasein meaning to exist there. Dasein literally means to exist in the world and is generally written as being-in-the-world. The hyphens in this term imply a oneness of subject and object, of person and world.