Career
Previously, she had represented South Africa between 1963 and 1974. Because of the boycott of the United States and other countries, only one team was available to compete in the women"s field hockey tournament: the hosting Union of the Soviet Socialist Republics team A late request was sent to the government of Zimbabwe, which quickly assembled a team less than a week before the competition started.
Stewart is the mother of international diver Evan Stewart, who competed in three consecutive Summer Olympics for his native country, starting in 1992 in Barcelona, Spain.