The term "middle person" refers to an intermediary who facilitates communication and transactions between two parties. Synonyms for this term might include "middleman," "agent," "broker," or "intermediary." Each of these words suggests a slightly different role or function for the individual in question. A middleman is generally someone who buys and sells goods from different suppliers, while an agent might represent a client in negotiations or sales. A broker typically facilitates financial transactions, while an intermediary might simply help to connect two parties who would otherwise have difficulty communicating. Regardless of the specific synonym used, the idea of a middle person is one that plays an important role in many different types of interactions and relationships.