Philistine woman from the Valley of Sorek who was paid by Philistine rulers to discover the source of Samson's strength. She persistently asked Samson until he revealed that his uncut hair was the secret of his Nazirite vow. She had his head shaved while he slept and called the Philistines to capture him.
And it came to pass afterward, that he loved a woman in the valley of Sorek, whose name was Delilah.Judges 16:4, KJV
Judges 16:6
And Delilah said to Samson, Tell me, I pray thee, wherein thy great strength lieth, and wherewith thou mightest be bound to afflict thee.Judges 16:6, KJV
Judges 16:18
And when Delilah saw that he had told her all his heart, she sent and called for the lords of the Philistines, saying, Come up this once, for he hath shewed me all his heart. Then the lords of the Philistines came up unto her, and brought money in their hand.Judges 16:18, KJV
Judges 16:20
And she said, The Philistines be upon thee, Samson. And he awoke out of his sleep, and said, I will go out as at other times before, and shake myself. And he wist not that the LORD was departed from him.Judges 16:20, KJV
See how Delilah connects to every other figure in Scripture.