'First Man' in the Bible

her first man which sent her away may not take her again to be his wife, inasmuch as she is defiled. For that is abomination in the sight of the LORD: that thou defile not the land with sin, which the LORD thy God giveth thee to inherit.

The watchman said, “The way the first man runs looks to me like the way Ahimaaz son of Zadok runs.”“This is a good man; he comes with good news,” the king commented.

Art thou the first man that was born? or wast thou made before the hills?