NET
17 Learn to do what is right. Promote justice. Give the oppressed reason to celebrate. Take up the cause of the orphan. Defend the rights of the widow.
Darby
17 learn to do well: seek judgment, gladden the oppressed, do justice to the fatherless, plead for the widow.
KJV
17 Learn to do well; seek judgment, relieve the oppressed, judge the fatherless, plead for the widow.