A person who attempts to bring about peace or reconciliation.

सामंजस्य लाने वाला व्यक्ति

English Usage: The conciliator worked tirelessly to resolve the conflict between the two parties.

Hindi Usage: सामंजस्य लाने वाला व्यक्ति दोनों पक्षों के बीच संघर्ष को सुलझाने के लिए tirelessly काम किया।