This statement could sound weird, but thinking again: how many times have we heard this « Oh, you work for an NGO? What you do is really great, I admire you… ». It sometimes sounds like any person working in this sector has qualities of goodness, empathy and a spirit of sacrifice.
Obviously, the world would be a better place if all humanitarian workers were purely altruistic, and always behaved in a professional, honest and consistent way. But this is not the case, and each person that starts working in this field probably does it for a different reason.