People or insects (om-, mag-) congregate around/on someone or something (-en) someplace (-an).
past domnahepdep
arayat
Āro omdahepdep dyimo a magalek an mangot daw pālag mo.
Many bluebottle flies will congregate around you if they smell your dried salted fish.
Magdahepdep saw tawotawo do nakawara no iroplāno.
The people congregate when the airplane arrived.
Dahepdepen nyo abaw maganyitaya, ata makaanges aba.
Don't congregate around the sick person, because he can hardly breathe.
Ay, dahepdepan gōyong dyichodan mo, ta mangot kaya.
Oh, the flies congregate on your back, because you smell.