This is the 8070th most frequent Russian word.
кулемзин
"Кулемзин" is a surname in Russian and does not have a standalone meaning in English.
Here, 'Kulemzin' is used as a proper noun, likely referring to a person's name.
Кулемзин, мой старший друг, поделился своей мудростью.
Kulemzin, my senior friend, shared his wisdom.
In this sentence, 'Kulemzin' again functions as a proper noun representing a specific individual.
Я встретил Кулемзина в библиотеке сегодня утром.
I met Kulemzin in the library this morning.
'Kulemzin' denotes the author of the book, once again as a proper noun referring to a person.