This is the 18472nd most frequent Russian word.
юридическому
"Юридическому" means "legal" or "to the legal" (dative case, singular).
Here, 'юридическому' is used as an adjective to describe the department, indicating its legal-related nature.
Этот совет принадлежит юридическому отделу.
This advice belongs to the legal department.
In this context, 'юридическому' describes the expert, emphasizing their specialization in legal matters.
Мы отправили запрос юридическому эксперту.
We sent the request to the legal expert.
Here, 'юридическому' is used to modify 'student,' specifying that they are studying law.