If you think your rights as a contractor (consultant / freelancer) -- or as a full-time employee, for that matter -- are being trampled on, or if you think it might be time to blow the whistle on some behaviour in the workplace you find unacceptable, it's worth running your concern past a lawyer first to see if you have a case. These human rights and employment lawyers have a track record of successful actions within the international aid system and come highly recommended.