He was chosen as the successor of the company.

He is my greatest opponent.

He is a complete outsider to this issue.

He is the best defender of our team.

The police are looking for an eyewitness to the incident.

The seismologist is studying earthquake prediction and disaster prevention.

He was an eyewitness to the incident.

The freight train passed through the station.

Let's roll the dice and decide the next action.

He is a world-famous physicist.