der Protagonist
protagonist
The main character in a literary narrative, a film, or a play.
Der Protagonist des Romans ist ein junger Zauberer, der die Welt retten muss.
The protagonist of the novel is a young wizard who has to save the world.

protagonist
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protagonist
The main character in a literary narrative, a film, or a play.
Der Protagonist des Romans ist ein junger Zauberer, der die Welt retten muss.
The protagonist of the novel is a young wizard who has to save the world.

This noun belongs to the N-declension. That means it takes the ending "-en" in the genitive, dative, and accusative singular, as well as in all plural forms. This is a common source of mistakes.
Ich habe den Protagonisten des Romans nicht gemocht.
I didn't like the protagonist of the novel.
You can tell from the context whether a fictional main character or a real person is meant. Words like "Roman" (novel), "Film" (film), or "Geschichte" (story) point to the literary meaning. Terms like "Bewegung" (movement), "Architektur" (architecture), or "Politik" (politics) point to a leading figure.
Der Protagonist des Films ist ein einsamer Detektiv.
The protagonist of the film is a lonely detective.
The word "Protagonist" (protagonist) is used mainly in written language or in formal discussions about literature, art, or history. It belongs to an educated vocabulary.
Die Ausstellung widmet sich den Protagonisten der klassischen Moderne.
The exhibition is dedicated to the leading figures of classical modernism.
hero
'der Held' and 'der Protagonist' can both mean the most important character in a story, film, or play. 'der Protagonist' is more neutral: it only means that the character is at the center of the story. 'der Held' often sounds more positive, because the person is brave or admired. Learners may confuse the words because the main character is often also the hero. But not every protagonist is a hero; they can also be weak, unlikeable, or morally complicated.

Der Protagonist des Romans erzählt seine Geschichte selbst.
The protagonist of the novel tells his own story.
Im Film rettet der Held am Ende das ganze Dorf.
In the film, the hero saves the whole village in the end.