The closest equivalent of this Portuguese word saudade in English can be “melancholy” or “yearning”. We’ve heard of so-called “untranslatable” words. Well, there’s no exact English equivalent for saudade. Portuguese themselves are unable to easily describe the word. One writer defines it as a constant vague desire for something that does not and probably cannot exist.
In the book The Photography of William T. Vollmann, it says that, “‘When doing research and when taking documentary photographs, it is essential “to capture candid moments of reality.’ Therefore, a significant ethical guideline within the field is to never intentionally influence the scene or involve oneself with the subjects at hand.”