1 John 3:10

By this the children of God are discovered, and the children of the devil: whoever works not righteousness, is not of God, neither he who loves not his brother.

1 John 3:12

Not being of the wicked one, as Cain was, who slew his brother. And on account of what, did he slay him? Because his own works were wicked, and his brother's righteous.

1 John 3:15

Every one who hates his brother, is a manslayer; and you know that no manslayer has eternal life abiding in him.

Treasury of Scripture Knowledge

Summary

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

A keeper

Bible References

A keeper

1 John 3:10
By this the children of God are discovered, and the children of the devil: whoever works not righteousness, is not of God, neither he who loves not his brother.