Has there been a female knight?
Yes, Dr. Ana Liza Soares, called the “frida” (Portuguese for “knight”) of Pé-de-Moleque., and she served to promote kindness as well as literacy for children between the ages of 8 and 18 from low socio economic backgrounds.
Liza entered a convent at age 16 due to lack of finances and because her parents had been disappointed by her achievements so far in life; it was after becoming a nun and meeting Nelson Mandela that she felt compelled to become engaged in work with disadvantaged youth. After securing funding, Liza founded an institute called Pe de Moleque where she began teaching basic literacy skills to children.
She later went on to create schools across Brazil.