Answer: C. A soldier who swore an oath to protect the people and land of a superior
Explanation: The knight was a soldier, a term commonly associated with the Middle Ages, and it was the lowest level of the elite. From the time of his birth, the Knight was determined to fight; he was a member of the nobility, he was wearing armor and some weapons such as swords or spears. The knights in the feudal system of relations had the task of defending their masters and their families and servants. In turn, they would get a share of the land from the master in order to support themselves.