The best description of the loyalty displayed towards Odysseus is:
Penelope, Telemachus, and Eumaeus are all loyal to Odysseus.
Penelope and Odysseus’ love for each other was beyond any barriers. Penelope decided not to marry any of her suitors until she would perform the burial shroud. In this way, she managed to get time to wait for her husband to come back. Eumaeus and Telemachus are very close to each other. Eumaeus has played the role of Telemachus' father when Odysseus was not present. Telemachus calls Eumaeus uncle and gives him the respect of a father.