This is the 3905th most frequent Turkish word.
azerbaycanlı
Azerbaycanlı: Azerbaijani (a person from Azerbaijan or of Azerbaijani origin).
The word 'Azerbaycanlı' is used here as an adjective to describe the nationality of the speaker's friend.
Arkadaşım Azerbaycanlı ve onun kültürünü çok seviyorum.
My friend is Azerbaijani, and I really like their culture.
In this sentence, 'Azerbaycanlı' describes the poet as being from Azerbaijan, acting as an attributive adjective.
Bir Azerbaycanlı şairin şiirlerini Türkçe'ye çevirdik.
We translated the poems of an Azerbaijani poet into Turkish.
Here, 'Azerbaycanlı' is used as a noun to indicate the speaker's or subject's identity or cultural background.