The instructions say:
Item 13. Occupation, Profession, or Business.
Identify the occupation, profession, or business of the person on whose behalf the transaction was conducted. For
example: secretary, shoe salesman, carpenter, attorney,
housewife, restaurant, liquor store,etc.
Do not use non-specific terms such as merchant, self-employed,businessman, etc.
Examiners have always asked that Retired not be used alone.
They consider it to be non-specific, per the instructions.
It should say for example, Retired Bank Examiner.
Even with Unemployed, they ask for the usual occupation, such as Unemployed Bank Examiner.