Formal:
* Barangay Councilor: This is the most formal way to refer to the position.
* Councilor (Barangay): This is a slightly less formal option, emphasizing the specific level of government.
Informal:
* Bgy. Councilor: This is a shorter, informal abbreviation using "Bgy." for "Barangay."
* Councilor: If the context is clear that you are referring to a barangay councilor, you can simply use "Councilor."
Ultimately, the best option depends on the specific situation and your desired level of formality.