Which of the following best describes an insurance broker's role?

An insurance broker's primary role is to act as an intermediary between clients and insurers. This means they work on behalf of the client to find the best insurance policy that meets the client's needs. Brokers typically have access to a wide range of insurance products from various companies, allowing them to compare options and provide advice tailored to the individual client's situation. They help clients understand their insurance needs, explore different coverage options, and facilitate the purchasing process, ensuring that the client receives suitable insurance coverage.

In this context, the other choices do not accurately reflect the extensive and client-oriented role of insurance brokers. For instance, making insurance policies cheaper for consumers can be a result of their actions, but it is not their defining role. Offering only one specific insurance company's policies describes the role of an insurance agent, not a broker. Handling claim disputes can be part of a broker’s service, but it is not exclusive to them as many brokers do not represent clients in claims disputes; instead, they focus on policy selection and placement.