1. People who are easily deceived, manipulated, or taken advantage of; gullible targets
The scammers targeted elderly people because they considered them easy marks.
Os golpistas miravam idosos porque os consideravam alvos fáceis.
2. Victims of a con artist or swindle who are particularly susceptible to fraud
Those tourists were easy marks for the street hustlers.
Aqueles turistas eram alvos fáceis para os aproveitadores da rua.