a. Read some more. The quote is from Animal Farm - the context would have been understood better , if you had read one of the world's most popular novels.
b. Read some more. This is from the same site.
c. Don't read selectively - read fully and with an open mind. The Torah is filled with historical errors - most of it is disputable.
PS: Hebrew is not from the Genesis.
Hebrew - Ebreu, from L. Hebraeus, from Gk. Hebraios, from Aramaic 'ebhrai, corresponding to Heb. 'ibhri "an Israelite," lit. "one from the other side," in reference to the River Euphrates, or perhaps simply signifying "immigrant;" from 'ebher "region on the other or opposite side
ref: Online Etymology Dictionary
Genesis 14:13
Then one who had escaped came and told Abram the Hebrew, who was living by the oaks of Mamre the Amorite, brother of Eshcol and of Aner. These were allies of Abram.
I always said that people can convert to Judaism and be considered a Jew but descendents of the Hebrew race outnumber the ones that converted by far.