Answer:
He says his name is nobody
Explanation:
I say that because i am Iron man dad which means I am very smart no i am jk I say that because he does not want to snitch so he says his name is nobody in that case he can get away with a punishment.
He says his name is Nobody.
Therefore when Polyphemus calls for help he says nobody is attacking him so the Cyclops sees no reason to go help if "Nobody" is attacking him.
A :)
They are antonyms.
Withdrawn and outgoing have opposite meanings.