6 Heb “And she again gave birth.”
7 The name Abel is not defined here in the text, but the tone is ominous. Abel’s name, the Hebrew word הֶבֶל (hevel), means “breath, vapor, vanity,” foreshadowing Abel’s untimely and premature death.
8 Heb “and Abel was a shepherd of the flock, and Cain was a worker of the ground.” The designations of the two occupations are expressed with active participles, רֹעֵה (ro’eh, “shepherd”) and עֹבֵד (’oved, “worker”). Abel is occupied with sheep, whereas Cain is living under the curse, cultivating the ground.

In other versions

And again, she bore his brother Abel. Now Abel was a keeper of sheep, and Cain a worker of the ground.

Later she gave birth to his brother Abel.

Now Abel kept flocks, and Cain worked the soil.

She also gave birth to his brother Abel. Now Abel became a shepherd of flocks, but Cain worked the ground.

Later she gave birth to his brother and named him Abel.

When they grew up, Abel became a shepherd, while Cain cultivated the ground.

Then she bore his brother Abel. And Abel became a keeper of sheep, and Cain became a tiller of the ground.

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

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