Job's reply to Eliphaz' accusations is found in chapters 23 and 24, where Job asks, "Where is God when the righteous need Him?". Job remains downcast because of his health and the constant carping criticism of his friends. These verbal attacks have, Job says, become unbearable. If only I could talk with God and find some answers. Job seeks for a mediator who could take his cause to the Almighty. Job saw himself in an impossible position and needing the "goel" (near kinsman to be his 'daysman').

Book of Job | Guide with Key Information and Resources

Eliphaz’s First Speech: “You Reap What You Sow” (Job Sermon 5)