kohustus

noun
  1. A duty or obligation that a person is morally or legally bound to fulfill, often arising from social, legal, or personal responsibilities. noun
    It is his kohustus to pay taxes on time.
    She felt a strong kohustus to care for her aging parents.
  2. A moral or ethical responsibility to act in a certain way, often related to societal expectations or personal principles. noun
    As a doctor, he believes it is his kohustus to provide the best care possible.
    Her kohustus to protect the environment motivated her to participate in conservation efforts.