The phrase "arbiter between the" is correct and usable in written English.
It can be used when referring to a person or entity that resolves disputes or makes decisions between two or more parties.
Example: "The judge acted as an arbiter between the conflicting claims of the two parties in the lawsuit."
Alternatives: "mediator between the" or "referee between the".
Peter intervened as an arbiter between the king and his noble opponents.
This rank is at the head of Europe, and if necessary one day, the arbiter between the Soviet and the Anglo-saxon camps.
And while House and Senate leaders may end up wanting to throttle one another, Obama gets to play the reluctant arbiter between the two, rather than actually having to challenge his base.
Casimir's international prestige was evidenced by his acting as arbiter between the Luxembourgs, the Angevins, and the Habsburgs and subsequently hosting an international conference in Kraków in 1364 that dealt with general European issues.
By focusing attention on Ayatollah Jannati, who has rejected all efforts at compromise, Mr. Karroubi added another possible element, appearing to give Ayatollah Khamenei the chance to re-establish himself as an arbiter between the reformers and the hard-liners, some experts said.
Roosevelt favored regulation, believing that the role of government was to be the great arbiter between the various economic interests in the country -- to level the playing field.
There are also concerns about the potential impact of the proposed arrangement on Northern Ireland's peace agreement, which relies in part on London being an impartial arbiter between those, such as the DUP, who want the province to remain in the United Kingdom and those who want it to be part of Ireland.
Two independent QCs have been acting as arbiters between the two sides.
The program also envisaged a strict division of powers: the National Assembly, not the Communist Party, would be in control of the government, which in turn would become a real executive body and not a party branch; courts were to become independent and act as arbiters between the legislative and executive branches.
The danger in the cocktail is that too often technical advice has been polluted by politics—for example, in the pursuit of a financial-transactions tax.Moreover, the commission must remain a fair arbiter between governments of the left and of the right.
Announcement of the Islamic Caliphate The announcement of the renewal of the caliphate in Iraq in the year 1427AH [2006] was the arbiter between division and separation as well as the glory of the Muslims.
