benefactress
/ˈbɛnfəktrɪs/Definitions
1. noun
A woman who performs acts of kindness or charity, especially one who gives financial support to a cause or organization.
“The benefactress of the local children’s hospital donated millions of dollars to improve the facilities.”
2. noun
A woman who does a good deed for someone, especially a woman who helps or supports someone in need.
“The benefactress of the homeless shelter volunteered her time and resources to help the community.”