This is the 5197th most frequent Turkish word.
istemiyor
"Does not want."
The word 'istemiyor' is used to express a negative desire regarding an action, here 'studying'.
O ders yapmayı istemiyor.
He doesn't want to study.
Here 'istemiyor' conveys a collective lack of desire among individuals, applied to the action of doing a job.
Kimse bu işi yapmak istemiyor.
Nobody wants to do this job.
In this case, 'istemiyor' implies the absence of intent to communicate with someone, specifically 'you'.