Intercede

Webster's Dictionary of the English Language

·vi To pass between; to Intervene.

II. Intercede ·vt To be, to come, or to pass, between; to Separate.

III. Intercede ·vi To act between parties with a view to reconcile differences; to make intercession; to beg or plead in behalf of another; to Mediate;

— usually followed by with and for; as, I will intercede with him for you.