The answer is: Murdering her husband and family

1 Sam 25:21-34

In the narrative of 1 Samuel 25, we meet Abigail, a woman of keen intelligence and quick wit. The story unfolds during a time of tension for David, as he grapples with anger towards Nabal, her husband, who foolishly insults him. It's a dramatic moment—that line between justice and vengeance could easily have been crossed, propelling David into an irreversible act.

Abigail intervenes heroically, showcasing her resourcefulness. She gathers provisions without either Nabal's consent or knowledge and rushes to meet David, offering apologies and gifts. This bold act unites humility and intelligence, demonstrating that women in scripture often played crucial roles in the narrative, acting as peacemakers and influencers. Abigail's wisdom prevented bloodshed, highlighting a significant theme: the power of insight over ruthlessness.

Interestingly, Abigail later becomes David's wife, embodying not just maternal qualities but also a partnership based on mutual respect and intellect. In addressing historical women like her, it's fascinating to note that her name means "my father's joy." This reflects on how familial relationships deeply inform social dynamics—Abigail’s balance of loyalty to her family while seeking peace illustrates how complex these relationships could be.

Moreover, the path to David becoming king is riddled with choices that weigh personal feelings against moral responsibilities, echoing themes in many other biblical tales where the heart must grapple with wisdom. The conversation between duty and moral obligation resounds throughout the scriptures, transcending the pages of history.