Assessor as evaluator

An assessor is an expert that calculates the amounts to be paid or assessed for tax or insurance purposes.

Assessor as law assistant

In some jurisdictions an assessor is a judge’s or magistrate’s assistant. This is in fact the historical meaning of this word.

In Denmark, it was the former title given to Supreme Court judges. Today the title is given to Deputy Judges. See Courts of Denmark.

In the ancient Polish-Lithuanian Commonwealth, assessors were also members of the juridiciary, sitting on the so-called kanclerz's courts or assessor's courts .