Which of the following best defines a third party claimant in legal liability?

A third party claimant in legal liability is best defined as an individual who suffers a loss as a result of the actions or negligence of another party, specifically the insured party in this context. This concept is fundamental in the realm of liability insurance, where the policy is designed to protect the insured against claims made by third parties who allege that they have been harmed due to the insured's activities or negligence.

In this context, the third party is not involved in the insurance contract itself but is instead seeking compensation from the insured or their insurance provider for the damages they have incurred. Understanding this definition is crucial as it anchors the principles of liability coverage, where insurers provide financial protection to their clients against these third-party claims.

The other options do not align with the definition of a third party claimant. The insurer, for example, is responsible for managing claims but is not the claimant themselves. An insured party making a claim on themselves refers to first-party claims, where individuals seek compensation for their own losses, which is distinct from the third party scenario. Lastly, a broker's role is to facilitate and assist in the insurance process rather than being involved in a claim relationship as a claimant.