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?
Some people become vegetarians because of respect to life. Some religion teaches respect to life in any form
So what about the health factor relating to a vegetarian?
aesthetic, economic, or personal preference. There are variations of the diet as well: an ovo-lacto vegetarian diet includes both eggs and dairy products, an ovo-vegetarian diet includes eggs but not dairy products, and a lacto-vegetarian diet includes dairy products but not eggs. A strict vegetarian diet – referred to as "vegan" – excludes all animal products, including eggs and dairy. Avoidance of animal products may require dietary supplements to prevent deficiencies such as vitamin B12 deficiency, which leads to pernicious anemia.
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 (