Final answer:
An agent employed to handle a number of different matters on behalf of someone is called a personal assistant. In the context of the entertainment industry, an agent who represents actors and pitches them to casting directors is called a talent agent.
Step-by-step explanation:
An agent employed to handle a number of different matters on behalf of someone is called a personal assistant or personal aide.
Personal assistants are responsible for managing various tasks, such as scheduling appointments, organizing meetings, handling correspondence, and making travel arrangements.
In the context of the entertainment industry, an agent who represents actors and pitches them to casting directors is called a talent agent or casting agent. These agents negotiate contracts, secure job opportunities, and promote their clients' talent and skills.
Overall, both personal assistants and talent agents serve as intermediaries, advocating for their clients' interests and managing various aspects of their professional lives.