What do you call a person authorized to represent another (the principal) in some capacity?

Anagentis a person who is legally authorized to represent another person, known as the principal, in business transactions or other matters. The agent can act on behalf of the principal and make decisions that bind the principal to certain actions or contracts. However, the agent's authority is limited to the "scope of authority" granted by the principal. This means that the agent can only perform actions that fall within the powers explicitly or implicitly given to them.

For example, in a construction project, an agent might be authorized to negotiate contracts with suppliers or contractors on behalf of the project owner. Still, they may not have the authority to make final decisions regarding project financing unless explicitly granted by the principal. The concept of an agent is fundamental in various fields, including cost estimating and project management, where clear delegation of authority ensures that decisions are made effectively and responsibly.

This role is crucial in maintaining a structured approach to decision-making, particularly in cost management, where the agent's decisions can directly impact the financial outcomes of a project. Miscommunication or overstepping the agent's authority could lead to financial discrepancies or legal disputes, making the definition and adherence to the scope of authority essential for both cost control and legal compliance.