As an employee of an international aid organization, Cynthia is often required to travel to countries where natural disasters have recently occurred

During a visit to a city destroyed by an earthquake, Cynthia learns that her organization has hired child laborers to help rebuild the ruined city. She quits the organization and brings this information to the notice of the public. Cynthia is a(n) ________.
A) connoisseur
B) analyst
C) whistleblower
D) defender

Answer: C