adjudicator, bench, court, judge, jurist, justice
administrator, magistrate
A synonym may be magistrate.However:In the US, the term "magistrate" usually refers to a lower level judicial officer, with only certain limited judicial powers delegated to them.
The word magistrate is a legal term meaning judge or anyone acting as a judge. The term holding for magistrate means that there must be enough evidence to warrant holding one for trial.
Judge
The synonym is the term from French : rendezvous.
miserliness
Selfishness.
An informal synonym for the term optimal is the word ace. Ideal is also a good synonym, as well as matchless. There are a lot of other synonyms that can be found in a thesaurus or online.
There is no precise synonym for cyborg, however, the term android has a similar meaning.
A government official who has power to apply the law and put it in force is called a magistrate. The term is also used for a judge in a minor court.
A burgess is an inhabitant of a borough with full rights, or a historical term for a town magistrate.