Root : arbiter

means judge/ supreme ruler.

Origin: Latin; ‘arbitrarius’

ARBITER

noun
>> a person who settles a dispute or has ultimate authority in a matter.

>>> a person whose views or actions have great influence over trends in social.

Usage :

The military acted as arbiter of conflicts between political groups.

ARBITRAGE

noun
>> the simultaneous buying and selling of securities, currency, or commodities in different markets or in derivative forms in order to take advantage of differing prices for the same asset.

Usage :

The arbitrage refers to oil product flows such as jet fuel and diesel mainly to Europe when prices in the East lag those in the West.

ARBITRAL

adjective
>> relating to or resulting from the use of an arbitrator to settle a dispute.

Usage :

After a few days of tough battle,a UN committee of interlocutors came to an arbitral judgment between the junta and the rebels.

ARBITRAMENT

noun
>> the settling of a dispute by an arbitrator.

>>> an authoritative decision made by an arbitrator.

Usage :

The arbitrament for the land scam was pronounced by the Auditor General, yesterday evening.

ARBITRARY

adjective
>> based on random choice or personal whim, rather than any reason or system.

>>> (of power or a ruling body) unrestrained and autocratic in the use of authority.

Usage:

John’s mealtimes were entirely arbitrary.
Systematic development of the society has been made impossible due to arbitrary rule by King and bishops.

ARBITRATE

verb
>> (of an independent person or body) reach an authoritative judgment or settlement.

Usage :

The board has the power to arbitrate in disputes.
The UN set up a commission to arbitrate border tensions.