Vegetarian totally abstain from eating flesh of meat or fish  
Yeah , so I learnt.what makes a person a vegetarian?
People adopt vegetarianism because of health, religious or social issues
How how is the religious issues related to a vegetarian?
Vegetarianism
Vegetarianism is the practice of abstaining from the consumption of meat (red meat, poultry, seafood, and the flesh of any other animal), and may also include abstention from by-products of animals processed for food.
Vegetarianism may be adopted for various reasons. Many people object to eating meat out of respect for sentient life. Such ethical motivations have been codified under various religious beliefs, as well as animal rights advocacy. Other motivations for vegetarianism are health-related, political, environmental, cultural,
influenced people include veganism, veganism without root vegetables, lacto-ovo vegetarianism, and pescetarianism. Taoist vegetarians also tend to abstain from alcohol and pungent vegetables such as garlic and onions during lenten days. Non-vegetarian Taoists sometimes abstain from beef and water buffalo meat for many cultural reasons.
Vegetarianism in the Taoist tradition is similar to that of Lent in the Christian tradition. While highly religious people such as monks may be vegetarian, vegan or pescetarian on a permanent basis, lay practitioners often eat vegetarian on the 1st (