How to Say "responsible party" in Spanish
The Spanish word for “responsible party” is “responsable” — B1 level. This is a very common word in everyday Spanish.

Examples
Necesitas hablar con el responsable del departamento de ventas.
You need to speak with the person in charge of the sales department.
La policía busca al responsable de los daños.
The police are looking for the responsible party (or: the culprit) for the damages.
Ella es la responsable de abrir y cerrar la tienda.
She is the one responsible for opening and closing the store.
Gender and Articles
When used as a noun (meaning 'the person'), the article must match the gender: use 'el' for men and 'la' for women. The word 'responsable' itself does not change.
Using the wrong article
Mistake: “La responsable dijo que tenía que esperar, pero es un hombre.”
Correction: El responsable dijo que tenía que esperar. (If the person is male, use 'el,' even though 'responsable' ends in 'e.')
Related Translations
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