the.com/intercession
Pleading someone else's case to a power above their pay grade.
means The act of stepping in to plead or pray on behalf of another person.
from From Latin intercedere, to come between or intervene — inter (between) plus cedere (to go), literally going between two parties.
Legal cousinOriginally meant a magistrate vetoing a colleague's act.
Heavy in faithSaints and prayers do it on your behalf.
Diplomatic shadeTo intercede is to lobby with manners.