Which of these behaviors is an example of chivalry? farming the land in return for protection / rescuing someone who is in danger / taking an oath of loyalty / to a lord serving in the clergy

The right answer for the question that is being asked and shown above is that: "rescuing someone who is in danger." The behavior that is an example of chivalry is that of rescuing someone who is in danger. This answer is correct as far as the behavior of chivalry is concerned.