The phrase "acts as arbiter" is correct and usable in written English.
It can be used when describing someone or something that serves as a judge or mediator in a dispute or decision-making process.
Example: "In this debate, the committee acts as arbiter, ensuring that all viewpoints are considered fairly."
Alternatives: "serves as mediator" or "functions as judge".
It is about the middleman, who acts as arbiter of how health care is paid for.
Garland has had plenty of opportunity to wield similar progressive influence as chief judge of the DC appeals circuit which, given its location, frequently acts as arbiter in major cases concerning the federal government.
Unlike in the computing space where one machine acts as arbiter and translator of all content toward multiple screens, the living room has never really been able to unify.
This led to a family argument, in which Einstein was asked to act as arbiter.
In 1926, Jos P. Bicerton, Jr. Fleisher's late partner was chosen to act as Arbiter.
"The problem is that there's no senior figure in charge — there's no revolutionary elder to act as arbiter and manage the different groups".
Along with the Austrians' generosity, the city is the headquarters of the International Atomic Energy Agency IAEAA), which would have to act as arbiter in the deal's implementation.
Though reports that Chancellor Hitler has gone to Vienna incognito to act as arbiter are stamped as untrue, it is conceded that he may find it necessary in the end to make an appearance there for that purpose.
He acted as arbiter during the dispute between the deities Athena and Poseidon for the possession of Attica (the west pediment of the Parthenon shows the two gods in conflict for the honour).
/ Acted as arbiter of THE WEEPING MOMENT, / a thin slip of wire affixed between two fiery poles, / horizon-song, a sign, a grey eye closing / its only eye to the world".
He is the current incarnation of the planet's Avatar Spirit, and is therefore required to act as arbiter among the various people.
