This is the 983rd most frequent Indonesian word.
raka
"Raka" is an Indonesian term meaning "elder brother" or "noble person."
In this sentence, 'Raka' is used as a proper noun, specifically as a name.
Raka adalah nama teman saya yang sangat baik.
Raka is the name of my very kind friend.
Here, 'raka' is used to signify a cultural or linguistic term in the Javanese language.
Dalam bahasa Jawa, 'raka' bisa berarti kakak laki-laki.
In Javanese language, 'raka' can mean elder brother.
Again, 'Raka' here is a proper noun used as a character's name in the context of a story.