This is the 16468th most frequent Russian word.
рэпером
"Рэпером" means "rapper" in English, referring to someone who performs rap music.
In this sentence, 'рэпером' is the instrumental case of the noun 'рэпер', indicating the role or identity the subject has attained.
Он стал известным рэпером благодаря своему уникальному стилю.
He became a famous rapper thanks to his unique style.
Here, 'рэпером' is the instrumental case of 'рэпер', used to express the speaker's aspiration to embody the characteristics or qualities of a rapper.
Я всегда хотел быть хорошим рэпером, чтобы вдохновлять молодежь.
I always wanted to be a good rapper to inspire the youth.
In this sentence, 'рэпером' serves as the instrumental case showing the role of the person who noticed the subject.