This was far from being a place of doubtful character; for it had long been known as the residence of none but low ruffians, who, under various pretences of living by their labour, subsisted chiefly on plunder and crime.
There are no more uses of "subsist" in the book.
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Many people in the world have to subsist on $1 a day.
Mr. Grote has returned from the woods empty-handed for the past three days, and we’re subsisting on eggs and potatoes.