Am i a christian canibal? am i aswellcos i eat skin around finger nail?

i think christians and tings are cannibals too cos we eat jesus' body and blud.. i asked my re teacher if this was true and he said yea?.. i dont wana be a cannibal cos its a sin, i fort i had 2 do no sins but jesus is tellin me 2 eat someone thts bad.