What is the "role" of the fireman? How is montag different than the other firemen? support with evidence

Firemen are responsible for burning books. Until Montag meets Clarisse, he seems content and even satisfied by his job. After he meets Clarisse, Montag re-evaluates his whole identity. Montag begins to question the status quo. He meets with Faber and begins reading books. He begins to steal books he is supposed to burn.