Every individual has perspective which is their own way of looking at the world. Perspective gets developed over time which is why someone cannot change their perspective overnight. It gets developed through interactions and experiences with significant people in your life. Such as parents, extended family and friends.
Early experiences with the wold begin to shape how you see the world and what you expect or do not expect from the world. Whatever your individual perspective is, it often informs how you relate to the world and other people.