Definition: The term 'Luda_Martinyuk' refers to a character in the Old Testament Bible, specifically a Jewish woman who appears in the book of Ruth. Luda/Martinyuk was an old and elderly woman who served as the maid of the youngest daughter-in-law Naomi. She is described as kindhearted, caring for her son-in-law, David, and her brother-in-law, Abinadab. Luda/Martinyuk is a character in Ruth 1:4-5 who serves as Naomi's maid and provides emotional support to her husband, David. Her role is crucial for the plot of the book, as she helps her son-in-law, David, get married to Ruth, the wife of Naomi.