Noun
One who, or that which, expounds or explains; an expounder; a commentator.
Source: Webster's dictionary"Accept the true from whatever source it come," is sound rabbinic doctrine - even if it be from the pages of a devout Christian expositor or of an iconoclastic Biblical scholar, Jewish or non-Jewish. Joseph H. Hertz
This law cannot be contradicted by any other law, and is not liable either to derogation or abrogation. Neither the senate nor the people can give us any dispensation for not obeying this universal law of justice. It needs no other expositor and interpreter than our own conscience. Cicero
John Bullokar 's An English expositor (1616) glosses Colon as "A marke of a sentence not fully ended which is made with two prickes." Source: Internet
“Those who are familiar with Manitoulin Island were quick to light up as soon as they saw the booth and wanted to spend time with us and share their Island memories,” added Alicia McCutcheon, editor of The Expositor. Source: Internet
Unofficial results given to The Expositor show that over 90 band members voted in the Saturday referendum with each ballot question receiving a majority vote in favour of change. Source: Internet
However, the reviewer noted that another, similar method had also recently been published by the architect and mathematical expositor, Peter Nicholson. Source: Internet