What is necessary for a person who has been granted authority to act on behalf of another?

The correct choice emphasizes the role of an agent, which is essential in the context of acting on behalf of another individual. An agent is someone who has been granted authority through a legal agreement, often referred to as a power of attorney or an agency agreement. This role involves representing the interests of another person, known as the principal, in various dealings, which may include real estate transactions, contracts, or other legal matters.

Being an agent means that the individual has a fiduciary responsibility to act in the best interest of the principal, ensuring that their actions are aligned with the intentions and wishes of that individual. The agent must follow the guidelines and limits set by the principal, as they are essentially an extension of that person's authority in the specified matters.

The other options do not accurately capture the concept of acting on behalf of someone else in a legal capacity. A client represents someone who is receiving services but does not inherently have the authority to act on behalf of another. A trustor is someone who establishes a trust but is not related to the concept of agency in general. Similarly, a mortgage lender refers to an entity that provides financing rather than someone authorized to act on behalf of another party. Thus, the focus on being an agent is vital in understanding the