intercede
Intercede is a verb meaning to intervene on behalf of another, especially to plead with someone in a position of authority or influence. It can also denote mediation or interposition in a dispute to help reconcile opposing parties. In a secular context, a parent, friend, or diplomat may intercede to secure relief, mercy, or a favorable outcome for someone else.
Intercession is the related noun. An intercessor is a person who intercedes; in religious contexts, intercession
Etymology: Intercede derives from Latin intercedere "to go between," formed from inter- "between" + cedere "to go,
Usage and nuances: Intercede emphasizes the act of speaking up or negotiating on another's behalf rather than
See also: intercession, intercessor, mediation, advocacy, prayer.