Burden Bearer
Job in the First Reading is expressing the condition of humanity, post the fall of Adam and Eve, and it echoes God’s analysis/narration of what the life of Adam and Eve and their descendants would be because of the fall.
Taking Away The Uncleaness
In the First Reading, continuing from yesterday, the revolt by Absalom against his father David is taking place. David does not want to fight his own Son. But Absalom knows without killing David, there is no legitimate claim to the rulership of Israel.