Pescatarian, vegetarian, vegan?

A broad classification of people on the basis of food habits

1. Non-vegetarian - eats meat, fish, egg and all.
2. Pescatarian - eats all food items except meat, they may eat fish.
3. Vegetarian - eats all food items except meat and fish, they may eat egg.
4. Vegan - They won't eat meat, fish, egg or any other dairy products, may sometimes be called a strict vegetarian.