A pescatarian is someone who doesn’t eat meat but will eat fish. This means that they won’t eat meats such as beef, chicken, or pork but will eat fish. u003cbr/u003eu003cbr/u003eThey follow a largely vegetarian diet with the addition of fish and seafood such as crabs, shrimp, and lobster. Instead of eating animal meat, pescatarians instead fill their diet with beans, tofu, dairy, and vegetables.