Looter (noun)

1. A person who steals goods from a place, especially during a war or civil disturbance.
2. A person who takes advantage of a situation to steal or pillage.

Origin:

Early 17th century: from obsolete loot "plunder", of unknown origin.

Examples:

1. The looters were stealing everything they could carry from the store.
2. The looter was caught on camera stealing a television.
3. The city was in chaos as looters took to the streets.
4. The looter was arrested and charged with theft.
5. The looters were taking advantage of the disaster to steal from the affected people.