Answer:
By hiding Jewish families and protecting them from Nazi persecution.
Step-by-step explanation:
Miep Gies and her husband helped create a network of safe houses that hid and protected Jewish families in the Netherlands during Nazi occupation. She famously hid the Frank family (Ana Frank's family).
At great risk for her, she fed and hid several people during the period, deftly outsmarting the Nazis.
She was captured and discovered by the end of the war, but lived long after and was awarded for her humane acts.