This word is from the Spanish aduanero.
adwanéro
customs officer
A customs officer is a government agent who enforces customs laws.
Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, transports, personal effects, and hazardous items, into and out of a country.
KAHULUGAN SA TAGALOG
adwanéro: ahente sa isang adwana
mga adwanerong nagtatrabaho doon