plead for someone—
1. (legal) address a court of law as an advocate on behalf of either the plaintiff or the defendant:
- Nawaz had boycotted the game of court proceedings and now he does not have even a lawyer to plead for him.
2. make an earnest appeal or entreaty for the person in whose interest one speaks:
- Some friends were admitted to his cell, and they informed him that they had pleaded for him, but in vain.
3. (followed by Infinitive) ask a person earnestly to do smth.:
- I had thrown myself into his strong arms, pressed my face onto his well-muscled chest, and sobbed. I pleaded for him to stay.
plead with someone — = plead for someone 3:
- They pleaded with him to stay, insisting he was the outstanding person for this difficult job.