Peacemaker

n.kind, calmwarm

What it means

A person who helps opponents move from conflict toward a fair working relationship.

Reach for it when crediting someone who actively repairs disagreement rather than merely avoiding it

The peacemaker asked each sibling to name the outcome they could both accept.

everyday
go-between
when messages pass through a trusted third person
not when Carrying messages alone does not mean the person guided an agreement.
warm
bridge-builder
when creating trust across groups is a continuing strength
not when It is broader than resolving a particular active conflict.
warm
unifier
when bringing a divided group around common purpose is the achievement
not when Unity can suppress legitimate disagreement if used without care.
professional
diplomat
when tactful negotiation prevents escalation
not when The term may praise skillful compromise without moral fairness.
professional
mediator
when a neutral process and facilitated agreement are central
not when A mediator is a defined role and may not personally create lasting peace.
formal
conciliator
when rebuilding goodwill between hostile sides is the task
not when The uncommon title feels legalistic in a personal tribute.
formal
peacekeeper
when preserving an existing calm is the responsibility
not when A peacekeeper contains conflict; a peacemaker tries to resolve its cause.
literary
reconciler
when restoring a damaged relationship is the result
not when Reconciliation may be impossible or unsafe even when mediation helps.

natural peacemaker
A natural peacemaker, Jo could lower the temperature without dismissing the issue.
skilled peacemaker
The skilled peacemaker separated the apology from the practical repair.
role of peacemaker
No child should be forced into the role of peacemaker for adults.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.