An insurance broker, also known as an insurance AGENT, is a professional who sells, solicits, and negotiates insurance for a living. They act as intermediaries between insurance buyers and insurers, and help clients find the best possible coverage for their needs. Insurance brokers are knowledgeable about the different types of insurance available, and can provide advice and guidance to their clients. They are also responsible for ensuring that their clients are properly insured and that their policies are up to date.