Final answer:
Miranda's role, where she dresses up as the Statue of Liberty for Liberty Tax Service, would be best categorized as a brand ambassador, as her main goal is to positively represent the brand and attract customers.
Step-by-step explanation:
During tax season, Miranda gets paid to dress as the Statue of Liberty, stand on a street corner, and hold a sign advertising Liberty Tax Service. In this role, Miranda would be best described as a brand ambassador. This is because her main responsibility is to represent the Liberty Tax Service brand in a positive light and attract potential customers to utilize their services. Her job incorporates marketing strategies and public engagement to boost the company's visibility. While she may involve some aspects of the other roles mentioned, such as holding signs like a sign spinner or wearing a costume similar to a street performer, her primary purpose aligns with the goals of a brand ambassador.