My first thought from the description was a Garden Claw Gold, with an adjustable handle for the taller or shorter gardener.
But it’s not one of those.
It looks like a badly homemade contraption of no particular use for anything
I’d say it’s a reasonably well homemade contraption for a very particular use indeed. Someone’s looked at a problem and thought what I need is something like…” that^
Keeping a pipe clear? Couldn’t be a very long pipe, though. Maybe with the pipe lagging on the “handle” it’s for use in the cold? Keeping a channel through snow for an air vent? You’d do a better job with a shovel. ❓