There is no ergative in Japanese.

My apartment is a five-story building.

He was standing on the seashore, staring at the distant horizon.

Japanese is a language with few declensions.

His actions are nothing short of vulgar.

He hit a jackpot at the pachinko.

The number of nuclear-armed countries is increasing worldwide.

He picked up a shell on the beach.

He strongly advocates an anti-nuclear stance.

We made a plan for the trip next week.