What is "housekept"

Usage examples of "housekept".

But people who know him best like Johnnie Carstairs and Jean Lucas, the young Englishwoman who for the last few years has housekept for him during the summer months, declare that it was not the pursuit of riches that drove him in his later years, but the desire to prove himself right and to recover the losses suffered by so many people who invested in his early ventures.