Definify.com
Webster 1913 Edition
Ratepayer
Rate′payˊer
(-pāˊẽr)
, Noun.
 One who pays rates or taxes. 
Definition 2025
ratepayer
ratepayer
English
Noun
ratepayer (plural ratepayers)
-  Someone who pays for utility service
- The government is supposed to mediate between ratepayers and the power company.