This is the 12912th most frequent Turkish word.
kadrolarının
"Kadrolarının" means "of their staff" or "of their cadres" in English.
The usage of "kadrolarının" here refers to the roster or lineup of a sports team, showing possession ('rosters of the team').
Takım kadrolarının güçlenmesi için yeni oyuncular alındı.
New players were recruited to strengthen the team rosters.
In this sentence, "kadrolarının" refers to the personnel or staff of a company, denoting possession ('staff of the company').
Şirket kadrolarının genişletilmesi gerekiyor.
The company's staff needs to be expanded.
Here, "kadrolarının" indicates the personnel or staff of a school, again portraying possession ('staff of the school').