If the group or parties reach a stalemate and are unable to resolve their differences through direct negotiation they may turn to a third party to help them find a solution. The different third party roles are:-
Mediator:- Mediator is a neutral third party who facilitates a negotiated solution by using reasoning and persuasion, suggesting alternatives and like. Mediators are widely used in labor-management negotiations and in civil court disputes. To be effective the mediator must be perceived as neutral and non-coercive.
Arbitrator:- An arbitrator is a third party with the authority to dictate an agreement. Arbitration can be voluntary (requested) or compulsory. The authority of the arbitrator varies according to the rules set by the negotiators