niemandem
Niemandem is the dative singular form of the German pronoun niemand, which means nobody or no one. As a negative pronoun, niemand refers to the absence of any person, and niemandem is its form used when the action is directed at or experienced by nobody.
In standard German, the pronoun niemand declines like other pronouns in the singular: nominative niemand, accusative
Niemandem is used whenever the action or relation involves no person in the dative sense. Examples include:
Niemandem centers on the pronoun niemand, whose opposite is jemand (someone). In practice, researchers and writers