This is the 476th most frequent Italian word.
protagonista
The main character or leading figure in a story, play, or event.
Here, 'protagonista' refers to the main character of a story.
Il protagonista del romanzo è coraggioso e determinato.
The protagonist of the novel is brave and determined.
In this sentence, 'protagonista' is used to describe the key participant or outstanding performer in a sports event.
Lei è stata la protagonista del campionato, segnando il gol decisivo.
She was the star of the championship, scoring the decisive goal.
The word 'protagonista' here metaphorically refers to someone taking control or leading role in one's own life journey.