It means that a person is currently unemployed - having quit, been fired, or laid off from his or her job, or the previous job was temporary and has now ended - and the person has not yet found a new job.
These lines are spoken by a captain who has been wounded in the war. He is relaying the information about Macbeth's brave fight against the enemy to King Duncan. He talks about how brave and valiant Macbeth was, so the audience can infer that he is a fierce warrior who will stop at nothing to ensure his win in a battle.
<span>inflicting or intended as punishment.</span>
so its a. punishing