Vegan (noun)

1. A person who does not eat or use animal products.
2. A person who advocates for the use of animal-free and cruelty-free products.

Origin:

1944, coined by donald watson, co-founder of the vegan society, from vegan + -an.

Examples:

1. I am a vegan, I don't eat or use anything that comes from animals.
2. She became a vegan for health and ethical reasons.
3. Veganism is a way of life that seeks to exclude the use of animals for food, clothing or any other purpose.
4. Many vegans choose to be vegan due to their concerns about the environment and animal rights.
5. Vegan diets are often rich in fruits, vegetables, whole grains and legumes.