That would be a benefactress.
Benefactor is technically gender neutral, but benefactress is a specifically feminine form of the word.
There is no grammatical gender in the English noun. The word benefactress may be used for a female benefactor, but it is not necessary except to specify the person's gender, which of course is a form of sexism.
The masculine form of "benefactress" is "benefactor." A benefactor is an individual, typically a person of means, who provides financial support or assistance to a person, organization, or cause. While "benefactress" specifically refers to a female benefactor, "benefactor" is a gender-neutral term that can refer to anyone who provides such support.
benefactress
That would be a benefactress.
A benefactress is a female benefactor.
The feminine form of "benefactor" is "benefactress." However, in contemporary usage, the term "benefactor" is often considered gender-neutral, and many people use it to refer to individuals of any gender who provide support or funding. As language evolves, the need for gender-specific terms is diminishing in various contexts.
The female gender of landlord is landlady.
The female gender for "negro" is "negra."
Si muriera mi hijo sería mi beneficiario/a, depending if you are male or female when you are saying it. If i die my son is my benefactor.
The noun volunteer is a common gender noun, a word for a male or a female.
These are all the Baby Pokemon (as of November 2015), and the gender ratio for each:Azurill (Gender Ratio: Male 25% Female 75%)Bonsly (Gender Ratio: Male 50% Female 50%)Budew (Gender Ratio: Male 50% Female 50%)Chingling (Gender Ratio: Male 50% Female 50%)Cleffa (Gender Ratio: Male 25% Female 75%)Elekid (Gender Ratio: Male 75% Female 25%)Happiny (Gender Ratio: Male 0% Female 100%)Igglybuff (Gender Ratio: Male 25% Female 75%)Magby (Gender Ratio: Male 75% Female 25%)Mantyke (Gender Ratio: Male 50% Female 50%)Mime Jr. (Gender Ratio: Male 50% Female 50%)Munchlax (Gender Ratio: Male 87.5% Female 12.5%)Pichu (Gender Ratio: Male 50% Female 50%)Riolu (Gender Ratio: Male 87.5% Female 12.5%)Smoochum (Gender Ratio: Male 0% Female 100%)Togepi (Gender Ratio: Male 87.5% Female 12.5%)Tyrogue (Gender Ratio: Male 100% Female 0%)Wynaut (Gender Ratio: Male 50% Female 50%)