All 4 Uses of

subsist
in
The Autobiography of Benjamin Franklin

I had fifteen pistoles; so he borrowed occasionally of me to subsist, while he was looking out for business.†
*

subsist = survive

The utility of this institution soon appeared, and many more desiring to be admitted than we thought convenient for one company, they were advised to form another, which was accordingly done; and this went on, one new company being formed after another, till they became so numerous as to include most of the inhabitants who were men of property; and now, at the time of my writing this, tho' upward of fifty years since its establishment, that which I first formed, called the Union Fire Company, still subsists and flourishes, tho' the first members are all deceas'd but myself and one, who is older by a year than I am.†

subsists = survives

Notwithstanding the continual wrangle between the governor and the House, in which I, as a member, had so large a share, there still subsisted a civil intercourse between that gentleman and myself, and we never had any personal difference.†

subsisted = survived

I did so soon after, but they put the paper into the hands of their solicitor, Ferdinand John Paris, who managed for them all their law business in their great suit with the neighbouring proprietary of Maryland, Lord Baltimore, which had subsisted 70 years, and wrote for them all their papers and messages in their dispute with the Assembly.†

Definition:

to survive -- especially without being able to manage comforts or luxuries