I've called myself other titles, masking that my income comes from the life insurance industry. There are multiple reasons why my lifetime occupation became a semi-hidden secret. The industry itself went through the same kind of identity crisis.
One of my friends is one of the most successful medical malpractice attorneys in the United States. He and his wife decided they needed a new bed. He rolled out of bed on a Saturday, unshaven and in old clothes, and went to a furniture store.