This is the 17173rd most frequent Turkish word.
çıkarınadır
"It is in [their/his/her/its] interest."
In this sentence, 'çıkarınadır' is used to express that the agreement benefits the mentioned individual.
Bu anlaşma onun çıkarınadır.
This agreement is to his advantage.
Here, 'çıkarınadır' highlights that the decision serves the interests of the society.
Kararın toplumun çıkarınadır.
The decision is in favor of the community.
Here, 'çıkarınadır' is used to indicate that the change provides an advantage to all individuals.