Translation of "D'éloquence" in English

Il est plein d'éloquence.

He has a good art of talking.

On m'a présenté le directeur du club d'éloquence, Jonathan Cruz,

I was introduced to the director of the debate team, Jonathan Cruz,

Il parla avec tant d'éloquence que tout l'auditoire était en pleurs.

He spoke so eloquently that the audience were all moved to tears.

Mon coach d'éloquence m'avait dit que mon travail à Bronx Science

My debate coach said to me, "Thomas, the work that you've done at Bronx Science