deuteragonist

Noun

deuteragonist (plural deuteragonists)

1. A secondary character; specifically, the second most important character (after the protagonist).
   • The issue is no longer about the artistic representation of woman going on within the story: rather, the art object, now unrelated to the actual woman (at a literal level, at any rate), becomes her deuteragonist and antagonist, and the opposition thus settled becomes further complicated by...2001, Donatella Izzo, Portraying the Lady: Technologies of Gender in the Short Stories of Henry James, University of Nebraska Press, page 58
2. (historical, ancient Greek drama) An actor playing a role (potentially all roles) requiring a second actor to be present on the stage, opposite the protagonist.
   • The first disposition accords with the attested reality of Nero acting in masks resembling his own features or those of women with whom he was in love (Suet. Nero 21.3), especially Poppaea (Dio 63.9.5), and generates a set of roles for the deuteragonist all of which focus on failed counsel; it also...2008, A. J. Boyle, editor, Octavia: Attributed to Seneca, Oxford University Press, page 93
   • In the distribution of the other roles between the deuteragonist and the tritagonist, the same criteria must have applied. When two characters had an important part in a tragedy and could not be played by a single protagonist, the second was played by the deuteragonist.[…]The tritagonist, even more...2018, Jacques Jouanna, translated by Steven Rendall, Sophocles: A Study of His Theater in Its Political and Social Context, Princeton University Press, page 201