> 
> There’s currently four hundred and twenty-three post-employed people
> living inside it, eighty-six of them children.
> 
> 
> 

Does it mean unemployed or fired or something else?

Fuller text:

> 
> ‘We’re protesting the proposal to clear the Oxford Building. There’s
> currently four hundred and twenty-three **post-employed** people living
> inside it, eighty-six of them children. Neither Lexdell nor the city
> have offered any reasonable plan regarding their relocation.’
> 
> 
> 

This is taken from *Klara and the Sun* a science fiction novel by Kazuo Ishiguro which can be [found on google books](https://www.google.co.uk/books/edition/Klara_and_the_Sun/u7XrDwAAQBAJ?hl=en&gbpv=1&dq=%22We%E2%80%99re%20protesting%20the%20proposal%20to%20clear%20the%20Oxford%20Building%22&pg=PT227&printsec=frontcover))