Someone (mang-) warns someone (-an).
balláag
Mangballāag si āmang so tawo tan mamarin sa so maganay.
Father warns the people so they will do good.
Binallaāgan na a dyi dana pakono a masolisog a monot do matarek a rarahan.
He warned (him) that hopefully he would not be tempted to follow a different road.
kapagballāag
The warning of something.