One who exacts; an officer who collects tribute, taxes or customs. I will make thine officers peace, and thine exactors righteousness. Isaiah 60:17.

An extortioner; one who compels another to pay more than is legal or reasonable; one who demands something without pity or regard to justice.

He that demands by authority; as an exactor of oaths.

One who is unreasonably severe in his injunctions or demands.