tanka poet
Specifically a poet who composes tanka (31-syllable Japanese poems). Not a general term for all poets.
She is known as a leading contemporary tanka poet.
My grandfather had been active as a tanka poet since he was young.
She is widely known as a tanka poet.
He became a tanka poet at a young age.
Compound of 歌 (uta, 'song; poem') and 人 (hito, 'person'), referring to a person who composes waka (classical Japanese poetry), especially tanka.