In drama, the in is often the antagonist, or villain, of the play. This is because the antagonist is the character who opposes the protagonist and creates the conflict that drives the plot. The antagonist is often the most complex and multifaceted character in the play, and they can often be as sympathetic as the protagonist.
In some cases, the in can be a neutral character, or a character who is neither wholly good nor wholly evil. This type of character can be very effective in creating a sense of ambiguity and uncertainty in a play, and can force the audience to question their own assumptions and beliefs.
The in is a crucial element of any play or story, and their development and portrayal can have a profound impact on the overall impact of the work.