Final answer:
An officer acts ethically by maintaining justice, fairness, and respect for individuals and laws. Abusing the power for personal tasks unrelated to official duties is not an ethical element of a peace officer's role.
Step-by-step explanation:
When considering the ethical role of a peace officer, it is important to recognize that their behavior should be governed by principles that promote justice, fairness, and respect for individuals and laws. An officer acts ethically when abiding by such principles during the performance of their official duties. This would typically include adherence to the law, maintaining public order, and protecting citizens from harm. However, the element that does not apply to the ethical role of a peace officer would be abusing their power for personal gain or tasks unrelated to their duties, such as commanding a citizen to perform personal services like mowing their lawn. The ethical framework for law enforcement officials rejects such behavior as it falls outside the boundaries of their professional responsibilities and violates the ethical standards expected of them.