protagonista
/pɾotaɡoˈnista/ · B2 · noun · mf
supporter
🎭 protagonista = proto (first) + agonista (actor/contender): the first actor
From Greek prōtos (first) + agōnistēs (contender, actor). The protagonista is the first-ranking player in the drama, the lead role. English protagonist comes from the same Greek roots, so the link is direct.