This is the 11164th most frequent Russian word.
гражданине
The word "гражданине" is the vocative form of "гражданин," meaning "citizen" in English.
Here, 'гражданине' is used in the vocative case to address someone formally and politely in Russian.
Гражданине, покажите, пожалуйста, ваши документы.
Citizen, please show your documents.
In this sentence, 'гражданин' is in the accusative case and refers to a person as a member of a society or nation.
Я встретил одного гражданина, с которым мы обсуждали наш проект.
I met a citizen with whom we discussed our project.
Here, 'гражданин' is used in the nominative case to describe someone's role or behavior within the context of society.