This is the 8778th most frequent Portuguese word.
angolano
"Angolano" means "Angolan," referring to something or someone from Angola.
In this sentence, 'angolano' is used as a noun to specify João's nationality, indicating he is from Angola.
João é um angolano que mora em Lisboa.
João is an Angolan who lives in Lisbon.
Here, 'angolano' is used as an adjective to describe the origin of the crafts, indicating they are from Angola.
Ela sempre compra artesanato angolano.
She always buys Angolan crafts.
In this context, 'angolanos' is used as a plural noun to refer to the people of Angola collectively.