Final answer:
In 'Fiddler on the Roof,' it is Lazar Wolf who asks Tzeitel why she is silent and questions if she is happy with the blessing.
Step-by-step explanation:
In the musical 'Fiddler on the Roof,' the character who asks Tzeitel why she is silent and questions if she is happy with the blessing is Lazar Wolf. Lazar Wolf is a wealthy and older suitor who has been arranged to marry Tzeitel, the eldest daughter of Tevye, the main character in the story.