noun
proconsul
proh-KON-sul/ˌproʊˈkɑnsəl/
An official who governs a province or dependent territory for a ruling power.
The proconsul governs the province on behalf of the empire.

Etymology
Acting 'in place of a consul' meant exercising consular authority in a Roman province. The title later extended to administrators governing territories on behalf of a larger power.
In context
This was a public platform where the proconsul stood and decided matters.
A proconsul was an ex-consul who had been assigned to be the governor of one of the Roman provinces
More examples
- Local leaders petitioned the proconsul for lower taxes.
- The empire appointed proconsuls to oversee its distant provinces.
- Merchants need the proconsul's approval to reopen the port.
Forms
proconsul · proconsuls
proconsular adjective — Relating to a proconsul or the authority of that office.