hardscrabble

Requiring much work to farm, and ultimately not very productive.

his hardscrabble peanut farm

In the case of Allegheny Briskow, poverty, the drought, the grinding hardships of these hard-scrabble Texas counties, had dwarfed the intellect, the very soul of a splendid young animal.

Involving hard work and struggle.

He leads a hardscrabble existence.

Being the savage’s bowsman, that is, the person who pulled the bow-oar in his boat (the second one from forward), it was my cheerful duty to attend upon him while taking that hard-scrabble scramble upon the dead whale’s back.