When one thinks of synonyms for "head keeper," several terms come to mind. One might consider "head warden," which suggests a person in charge of overseeing or managing a group or institution. "Chief caretaker" is also a viable option, as it conveys the idea of someone responsible for maintaining order and security in a given area. Additionally, "superintendent" is a word that may be associated with the notion of a head keeper, as it suggests someone who is in charge of managing and directing important tasks or facilities. Other potential synonyms for "head keeper" include "director," "supervisor," and "manager," which all imply a level of authority and responsibility.