Crossword Clue:

Act as a mediator

AnswerCrossword Clue
INTERCEDEServe as a mediator
STEPINEnter as a mediator
ASKAct as a quizmaster
ABETAct as a lookout
LIAISEAct as a go-between
PAPAYASFruits whose seeds can act as a substitute for black peppercorns