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Webster 1913 Edition

Noun.

[L., a scribe.]

One who takes exceptions.

T. Burnet.

Noun.

One who objects, or makes exceptions.

exceptor ‎(plural exceptors)

someone who takes exceptions
- 1913, John H. Stapleton, Explanation of Catholic Morals:
  God is no exceptor of persons; a soul is a soul, whether it be the soul of a pontiff, a king or a sage, or the soul of the unborn babe of the last woman of the people.

exceptor