The Oxford-Hachette Dictionary, this translator’s tool of choice, has this to say:
rentier, -ère / 1A~tje, E1 / nom masculin et féminin person of independent means
Not I. A little joke, then, on this struggling artist and serial renter. Posts in this category, or thusly tagged, will examine the rooms my life and travels have dragged me through, places I’ve lived or merely survived in. Adulthood is owning a home. In the meantime, there’s that two-month security deposit.
“…And every chambered cell,
Where its dim dreaming life was wont to dwell,
As the frail tenant shaped his growing shell,
Before thee lies revealed–
…He left the past year’s dwelling for the new,
Stole with soft step its shining archway through,
Built up its idle door,
Stretched in his last-found home, and knew the old no more. ”
Build thee more stately mansions, indeed.