Learning the inflected forms in Japanese is difficult.

We used a gas lighter than air to float the balloon in the sky.

He was commanding a unit of light cavalry.

He handled the light machine gun carefully.

The official discipline governing this country is strict, and severe penalties are imposed on lawbreakers.

He is managing my assets.

His name was recorded in the official record.

He recorded that fact in the official record.

He decided to join the vigilante group.

He is protecting the town as a vigilante.