Final answer:
The identity of the chief protector of Henrietta from the options provided cannot be determined without additional context or reference to specific source material.
Step-by-step explanation:
The identity of the chief protector of Henrietta is not clear from the question alone, as it lacks context regarding the source material. This could refer to a character in a novel, a historical figure, or a fictional persona in another form of media such as a film or a TV series. Without more information or a specific reference, it's impossible to accurately determine who the chief protector of Henrietta is among the options provided: a) Adam b) Milo c) Zach d) Dewey. It is crucial when seeking help with literature or media-related questions to provide as much context as possible so that the tutor can give a correct and helpful answer. In this case, please provide more details or specify the source material these characters come from.