The term 'Horse Family Member' can be answered with the word 'ZEBRA', which is a five-letter word. Zebras are members of the Equidae family, which also includes horses, donkeys, and mules. They are native to Africa and are known for their distinctive black and white stripes. Zebras are herbivores and live in large herds. They are also very social animals and communicate with each other through a variety of vocalizations.