You should not mislead others about who you really are.
George who is unemployed meets Elaine for the first time and Elaine asks George what he does for a living.
George wants to respond to Elaine's question.
George tells Elaine that he is currently between jobs and living at home with his parents Estelle and Frank.
George tells Elaine that he is an Architect at the firm Vandelay industries who mostly deal with importing latex.
Elaine is impressed that George has the moral fortitude required to admit a hard thing like that and gains respect for him.
Elaine later finds out that George was lying and feels violated and questions whether George might have been taking advantage of her.