Councilor (noun)

A member of a council, especially a local government council.

Origin:

Late middle english (in the sense "consultant"): from old french conseillor, from conseil "counsel".

Examples:

1. The councilor discussed the proposed budget with the mayor.
2. The councilor voted against the measure.
3. The councilor represents the interests of her constituents.
4. The councilor was elected to the city council last year.
5. The councilor proposed a new ordinance to address the issue.