No. Poseidon realizes that Odysseus is fated to return home so can not kill him. Instead he wishes to make Odysseus suffer greatly for a long time.
Because, Odysseus blinde Poseidons son. Who was the cyclops.
Odysseus' goal was to get home.
She asked Zeus for help and he sent Hermes.He then built a raft.
Odysseus and his men blinded Polyphemus, but did not kill him.
No, Odysseus did not kill Hector's son.
Odysseus did not kill Achilles. Paris killed Achilles.
Odysseus was trying to kill them all. Only by killing Odysseus could they save their own lives.
The Greek myths have no chronology. Odysseus did not kill the cyclops Polyphemus.
Odysseus chose not to kill the cyclops after it ate two of his men because he realized that the cyclops was the only one who could move the massive boulder blocking the cave's entrance, enabling his escape with his remaining men. By blinding the cyclops instead of killing him, Odysseus was able to achieve his goal of escaping the cave.
Odysseus didn't kill his father, you're thinking of Oedipus
No, Odysseus did not kill Hector's son in the Trojan War.
No. Ulysses (Odysseus) is not a demigod because he was not born as the offspring of a human and a god. The closest he gets to godhood would be the fact that he is the great-grandson of Mercury (Hermes) on his maternal grandfather's side.