This is the 2716th most frequent Turkish word.
çalışanı
"Çalışanı" means "employee" in English.
In this sentence, "çalışanı" means "employee" and refers to an individual worker as a possession ('of the company').
Şirketin en başarılı çalışanı ödül aldı.
The company's most successful employee received an award.
Here, "çalışanı" is used to indicate a person working at the hospital ('of the hospital').
Hastanede çalışanı çok saygılı biri.
The hospital employee is a very respectful person.
In this context, "çalışanı" denotes the library's employee, specifically attributing the work to the library ('of the library').