Halitherses

In Greek mythology, Halithersês was an Ithacan prophet who warned the suitors of Odysseus's wife Penelope after interpreting the symbols that Zeus sent to "be wise in time, and put a stop to this wickedness before he comes." The suitors do not heed Halithérses' warning.
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[Greek heroic] A soothsayer on Ithaca. He supported Telemachus and Odysseus against the unruly suitors.