Hey--you're the one that said "whatever..." "Being" simply means "a living organism" and that is what a human fetus, zygote, embryo, infant, toddler, adolescent, teenager, adult, geriatric is--a human being at a particular stage of development.
be·ing /ˈbiɪŋ/ Pronunciation Key - Show Spelled Pronunciation[bee-ing] Pronunciation Key - Show IPA Pronunciation
–noun
1. the fact of existing; existence (as opposed to nonexistence).
2. conscious, mortal existence; life: Our being is as an instantaneous flash of light in the midst of eternal night.
3. substance or nature: of such a being as to arouse fear.
4. something that exists: inanimate beings.
5. a living thing: strange, exotic beings that live in the depths of the sea.
6. a human being; person: the most beautiful being you could imagine.
7. (initial capital letter) God.
8. Philosophy.
a. that which has actuality either materially or in idea.
b. absolute existence in a complete or perfect state, lacking no essential characteristic; essence.
Ok....I can go with that. I just thought you were implying this:
human being
–noun
1. any individual of the genus Homo, esp. a member of the species Homo sapiens.
2. a person, esp. as distinguished from other animals or as representing the human species: living conditions not fit for human beings; a very generous human being.
There is much contention about applying this term to a Zygote, Fetus, group of Cells....whatever.