Obligation (noun)
ذمہ داری، احسان، فرض
an act or course of action to which a person is morally or legally bound; a duty or commitment.
Example: “I have an obligation to look after her”
Nepotism (noun)
اقرباپروری
the practice among those with power or influence of favouring relatives or friends, especially by giving them jobs.
Example: “he promised an end to corruption and nepotism”