Other people in a story can't reveal characterization. Only the character in the story, or the narrator can reveal character.
what does thier argument reveal about the personality of each character
It can be basketball and boxing.
Rembrandt was able to reveal the character of his portrait subjects by using classical arts and chiaroscuro.
character sketch
The character's actions, behaviors, and decisions that drive the plot forward and reveal their personality and motivations.
Dialogue reveals information. It also reveals a character's thoughts, feelings, and way of speaking. It can reveal a character's educational level, their background, and their desires.
By showing how a character reacts to or interacts with his or her surroundings
no
good question.
When you show character traits or development instead of just telling, it's indirect characterization.
Jackson