lyricist; songwriter
A person who writes lyrics for songs. Often used in the music industry to distinguish from the composer (作曲家).
彼女は有名な作詞家です。
She is a famous lyricist.
作
Since debuting as a lyricist, he has produced many hit songs.
Compound of 作詞 (sakushi, 'lyric writing') + 家 (ka, 'person who does something professionally').