There are men who fall helplessly into the workhouse because they are good far nothing; but there are also men who are there because they are strongminded enough to disregard the social convention (obviously not a disinterested one on the part of the ratepayer) which bids a man live by heavy and badly paid drudgery when he has the alternative of walking into the workhouse, announcing himself as a destitute person, and legally compelling the Guardians to feed, clothe and house himů
There are no more uses of "disinterested" in the book.
Show samples from other sources
All the Finches had straight incisive eyebrows and heavy-lidded eyes; when they looked slant-wise, up, or straight ahead, a disinterested observer would catch a glimpse of what May-comb called Family Resemblance.
Harper Lee -- Go Set a Watchman
He looks up at them, disinterested and maybe disgusted by the baby, because he wanders deeper into the recesses of the cluttered store to get away.