This is the 9842nd most frequent Polish word.
adwokatem
"Adwokatem" means "a lawyer" or "an attorney" in English.
The word 'adwokatem' is used in its instrumental case, meaning 'as a lawyer', to indicate someone's profession.
Mój brat jest adwokatem.
My brother is a lawyer.
Here, 'adwokatem' is used as a noun in the instrumental case to signify the role of the person being spoken of.
Spotkałem się z adwokatem w jego biurze.
I met with the lawyer in his office.
The usage of 'adwokatem' indicates the state or role acquired by the subject.