in civil-law. An action against the individual, created on a personal obligation; an action pursuing redress the violation of a jus in personam or appropriate offered against a particular person. In admiralty law. An action directed resistant to the person that is becoming faced with the liability. It is distinguished from an actio in rem, which can be a suit directed against a certain thing (as a vessel) regardless of the ownership from it, to enforce a claim or lien upon it, or even to get, out from the thing or out of the profits of the sale, pleasure for a personal injury alleged because of the claimant.