Final answer:
Medea, known in mythology for her magical abilities, would likely offer a magic spell to grant a child to a childless man seeking her help.
Step-by-step explanation:
In the context of classical myths and the story of Medea, a childless man seeking Medea's services would likely receive a magic spell to grant him a child. Medea, known in Greek mythology for her sorcery, offered such services alongside other darker deeds, like sending a poisoned cloak to her rival. Love potions, fertility spells, and direct interventions to ensure the production of an heir were within her realm of expertise. This kind of service would play into the societal pressures and expectations of the time in Rome, which prized the continuation of lineage and saw childlessness as a significant problem, especially for a man's reputation and legacy.