Jiyuu is a Japanese word that means "freedom," or "liberty.
Sometimes used as a nick for free spirited person.
Someone: Never thought of it that way, he's a bit different.
Another: He is different, not weird but interesting. He's Jiyuu.
the name of the song in the second attack on titan opening. one of the best openings of all time
Guy1: hey, which is better? guren no yumina or jiyuu no tsubasa?
Guy2: i would say... jiyuu no tsubasa