WordNet
part-owner
n. a person who owns something in common with others
Usage examples of "part-owner".
He's a pawnbroker, a used-car dealer, a part-owner of several taverns, and God knows what else.
When my mother's death, three years before, had orphaned me (I had never known my father, who was killed in the war), I went to live with Frances in Berkshire, where she is part-owner of a rather famous rock-plant nursery.
True, Davad's money had bought them, and he was a part-owner of the slave ship.
He was part-owner here with a yucateco who still believed in the Revolution.