causante
Causante is a term used in several Romance languages to denote the person or entity that causes a given event or result. As a noun, it refers to the actor responsible for an action or outcome, such as damage, injury, or a fault. As an adjective, it can describe something that causes or is the source of a particular effect, as in a causa or factor causante.
Etymology and usage notes: the word derives from the Latin causans, the present participle of causare, meaning
Legal and procedural context: in civil liability and tort law, the causante is the party whose conduct
See also: responsibility, liability, causal link, at fault, responsible party.
Example: El causante del accidente fue identificado como el otro conductor, y se iniciaron las gestiones de