Someone (mag-), especially a crew member, counterbalances the off-balance of a boat (-an).
by shifting his weight to one side or running out to stand on the edge of the off-balanced outrigger
Magbanda kamo, ta makelsang.
Counterbalance (the boat), because it is wavy.
Bandaan nyo abangaya tan dya malasa.
Counterbalance (the canoe) so it does not become wrecked.