An individual whose contract with an insurer allows the individual to represent ONLY one insurance company is

Independent agents work with multiple insurance companies, allowing them to offer a variety of products from different insurers. This model provides clients with more choices and flexibility in coverage, as independent agents can compare policies and prices to find the best fit for their needs, which is contrary to the role of a captive agent.

Brokers also represent clients rather than insurance companies. They work on behalf of the client to find the best insurance policies available from various insurers. Unlike captive agents, brokers do not have contractual ties to any single insurer, which allows them to provide more comprehensive market access and advice.

The term "free agent" is not commonly used in the insurance industry to describe a specific type of agent. It may imply a lack of contractual obligations, but it does not accurately define the roles within insurance representation. Therefore, it does not serve as an appropriate choice in this context.