Mediator/ˈmiːdieɪtər/ Definition 1 of 3Pro Tip 1/3Conflict Resolution A mediator in arguments helps people find common ground without taking sides. When we couldn't agree, our friend acted as a mediator. Pro Tip 2/3Neutral Party In negotiation, a mediator must be unbiased and impartial to everyone involved. The mediator listened to both parties without showing favoritism. Pro Tip 3/3Voluntary Process Mediation is usually optional, allowing conflicted parties to choose cooperation. Both teams willingly met with the mediator to resolve the issue.