aux

a person who helps someone else, especially in a professional setting such as healthcare or education.

ayudante, auxiliar

• an auxiliary nurse/teacher

Collocations auxiliary staff · auxiliary services

• She works as an auxiliary in the hospital.

  Ella trabaja como auxiliar en el hospital.

something that is added to or used with something else, often temporarily or as a supplement.

adicional, suplementario

• an auxiliary verb

Collocations auxiliary equipment · auxiliary fuel

• The school has an auxiliary library for extra resources.

  La escuela tiene una biblioteca auxiliar para recursos adicionales.