Final answer:
The character Lazar Wolf says the line in 'Fiddler on the Roof' where he expresses his intentions towards Tzeitel and seeks her affirmation.
Step-by-step explanation:
In the play Fiddler on the Roof, the line "May the Lord smite me with it. And may I never recover. Tzeitel knows I mean only her welfare. Am I right, Tzeitel?" is said by the character Lazar Wolf.
This moment in the play is where Lazar Wolf is expressing his earnest intentions towards Tzeitel, showing his desire to marry her, and seeking affirmation of his belief that he has her best interest at heart.