Final answer:
The principle of beneficence obliges health care providers to act beneficially towards others, ensuring actions contribute positively to the well-being of patients.
Step-by-step explanation:
The obligation that requires health care providers to help people in need is encapsulated in the principle of beneficence. This ethical principle suggests that health care providers should act in ways that benefit others, promoting the well-being and good of patients whether in clinical settings or research environments. It emphasizes the moral imperative to provide help and contribute positively to the health needs of individuals, ensuring that health care actions result in doing good and preventing harm.