Person (noun)

1. A human being regarded as an individual.
2. A character or role in a play or film.
3. A representative of a company or organization.

Origin:

Middle english, from old french persone, from latin persona mask, character in a play, person.

Examples:

1. The person who answered the phone was very helpful.
2. Each person in the room was given a name tag.
3. The person sitting next to me on the train was reading a newspaper.
4. In the play, the person playing the role of the king was very convincing.
5. The person in charge of the project is out of the office today.