This is the 1320th most frequent Turkish word.
isteyenlerin
"Of those who want" or "of those who wish".
In this sentence, 'isteyenler' is the noun form derived from the verb 'istemek', meaning 'to want'. It is used to refer to people who have the desire to learn.
Dil öğrenmek isteyenler için bir rehber hazırladık.
We prepared a guide for those who want to learn a language.
Here, 'isteyenlerin' is used in the genitive case, showing possession, meaning 'of those who want'.
Sinemaya gitmek isteyenlerin listesi uzun.
The list of those who want to go to the cinema is long.
In this case, 'isteyenlerin' again showcases the genitive usage combined with the requirement or condition implied in the sentence.