"Hander" is a word that refers to someone who handles or manages something. Some possible synonyms for "hander" include "manager", "supervisor", "administrator", "director", "controller", "overseer", "executive", "leader", "officer", "custodian", and "agent". These words all carry slightly different nuances of meaning, but they can generally be used interchangeably with "hander" depending on the context. For example, you might refer to a department manager as a "hander" of their team's operations, or describe a CEO as the "hander" of an entire business organization. Regardless of the specific term you use, the idea of someone who handles or manages is a crucial part of many different industries and organizations.