Echigoya (surname)
A Japanese family name. Not a common word; primarily a proper noun.
There is a person with the surname Echigoya.
Echigoya (stock villain in period dramas)
A fictional character type in jidaigeki: a greedy, scheming merchant. Often used as a byword for a corrupt businessman.
In period dramas, Echigoya colludes with the corrupt magistrate to do evil deeds.