
Answer:
an independent contractor Â
Explanation:
An independent contractor is any person or business or organization that gives services and goods in a written contract or sometimes a verbal agreement also. Unlike the employees, independent contractors does not work on a regular basis for the employer but he or she works as required, when they are subjected to the law of agency. Â
In the context, Nia hires O'Reilly as an independent contractor to clean the carpets of her dress shop and gives her instruction what to clean and when to clean.