The term 'settler of some disputes' can be summarized as a mediator or arbitrator. This is someone who is responsible for resolving conflicts between two or more parties. They are impartial and work to find a solution that is acceptable to all involved. They may use negotiation, mediation, or arbitration to reach an agreement. Mediators and arbitrators are often used in legal disputes, but they can also be used in other areas such as business, family, and community disputes. The crossword solution for this term is 'REPLAY', which could refer to the process of going back and forth between the parties to reach a resolution.