This is the 8730th most frequent German word.
kritikern
"Kritikern" is the plural form of "Kritiker," meaning "critics" in English.
In this sentence, "Kritikern" is also used in the dative plural form to denote the individuals who critique his work.
Er widerspricht den Kritikern seiner Arbeit mit überzeugenden Argumenten.
He contradicts the critics of his work with convincing arguments.
Here again, "Kritikern" in the dative plural is used, implying people who provide feedback.
Die Regierung lobt die konstruktiven Vorschläge einiger Kritikern.
The government praises the constructive proposals of some critics.
Here, "Kritikern" is used as the plural dative form of "Kritiker", indicating the people who criticize, in a role of receiving an action.