What warning does the speaker give potential hunters of the woman in Whoso List to Hunt?

In "Whoso List to Hunt," the speaker warns potential hunters that pursuing the woman is futile and dangerous. He describes her as a "deer" that is elusive and already claimed by another, specifically referring to the powerful figure of Caesar, which implies that she is unattainable. The speaker suggests that the hunt is not only challenging but also may lead to emotional pain, as the desire for her is ultimately unfulfilling. Thus, he advises hunters to reconsider their pursuit and recognize the risks involved.