Who is the user of this software?

He is the most competent employee of our company.

Are you really not going to use this unused laptop?

He was attacked personally.

He keeps an attack dog to protect his house.

The enemy army plans to launch a full-scale attack tomorrow night.

We plan to launch a full-scale attack on the enemy's base tomorrow.

He has a very passive personality.

He is studying about the ancient kingdom.

Mr. Fukuou is my best friend.