The antonyms for the word "bell ringer" are numerous, including quiet, unobtrusive, withdrawn, shy, introverted, restrained, hesitant, and timid. While a bell ringer is typically an outgoing and confident person who enjoys being the center of attention, these antonyms describe individuals who are more reserved and prefer to avoid the spotlight. They are different from bell ringers in the sense that they are not interested in making a loud noise, drawing attention to themselves, or being the life of the party. They prefer to blend into the background and avoid activities that put them in the spotlight.