Final answer:
Sarai, later called Sarah, is the wife of Abram (Abraham), and together they face childlessness. Sarai resolves this by giving her maidservant Hagar to Abram to bear a child on her behalf, which leads to further tension between the women.
Step-by-step explanation:
The character Sarai, later known as Sarah, is found in the religious texts of Judaism, Christianity, and Islam. She is Abram's wife, later known as Abraham, and they share the problem of being childless, which is a significant issue in their cultural and religious context. To solve this problem, Sarai gives her Egyptian maidservant Hagar to Abram as a secondary wife so that he can have children with her. However, this solution generates further complications, with issues arising between Sarai and Hagar.