Good News Translation
He has left someone to take vengeance on his enemies and to return the favors he owes his friends.

New Revised Standard Version
He has left behind him an avenger against his enemies, and one to repay the kindness of his friends.

Contemporary English Version
Then it is up to the children to take revenge on their parents' enemies, and to be kind to their parents' friends.

New American Bible
Against his enemies he has left an avenger, and one to repay his friends with kindness.

Douay-Rheims Bible
For he left behind him a defender of his house against his enemies, and one that will requite kindness to his friends.

For he left behind him a defender of his house against his enemies, and one that will requite kindness to his friends.

Sirach 30:4
His father is dead, and he is as if he were not dead: for he hath left one behind him that is like himself.

Sirach 30:5
While he lived he saw and rejoiced in him: and when he died he was not sorrowful, neither was he confounded before his enemies.

Sirach 30:7
For the souls of his sons he shall bind up his wounds, and at every cry his bowels shall be troubled.

Sirach 30:8
A horse not broken becometh stubborn, and a child left to himself will become headstrong.