Abishai
Abishai was a prominent figure in the Hebrew Bible, primarily known as one of King David's most loyal and fearsome warriors. He was the son of Zeruiah, David's sister, making him David's nephew. Abishai, along with his brothers Joab and Asahel, were instrumental in David's rise to power and his subsequent reign as king of Israel.
Abishai is frequently mentioned in the books of Samuel and Chronicles as a commander within David's army.
Abishai also played a significant role in military campaigns against the Philistines and other enemies of