Genesis 4:2

And she again bare his brother Abel. And Abel was a keeper of sheep, but Cain was a tiller of the ground.
— Genesis 4:2, King James Version

In other translations

World English Bible (WEB)

Again she gave birth, to Cain's brother Abel. Abel was a keeper of sheep, but Cain was a tiller of the ground.

American Standard Version (ASV)

And again she bare his brother Abel. And Abel was a keeper of sheep, but Cain was a tiller of the ground.

Young's Literal Translation (YLT)

and she addeth to bear his brother, even Abel. And Abel is feeding a flock, and Cain hath been servant of the ground.