make sure his wife has remained faithful to him, to check she still loves him and to assess the situation with all the men who want to marry his wife so he can see how he should proceed.
Odysseus had shown his scar to his faithful servants in order to prove that he (still disguised as the beggar) was truly Odysseus--King of Ithaca. He had to convince the swineherd and cowherd that he was Odysseus to get their aid on the plot against the suitors or in this case a slaughter in the halls. - Book 21 of The Odyssey
Odysseus is sometimes portrayed as being dishonest in Greek mythology due to his cunning and strategic nature. He is known for using his intelligence and craftiness to outsmart his enemies and navigate difficult situations during his epic journey back home from the Trojan War. Though his actions may sometimes be seen as dishonest, they are often a means of survival and achieving his ultimate goal.
Penelope tells the beggar (Odysseus in disguise) that at night she unravels a burial shroud she is making intended for Laertes every night in order to keep the would-be suitors at bay until her husband returns .
Athena disguised herself as Deiphobus in order to deceive Hector.
When Odysseus returns to Ithaca, he finds that his home has been taken over by suitors vying for his wife Penelope's hand in marriage. Disguised as a beggar, Odysseus plots and ultimately executes a plan to reclaim his throne, kill the suitors, and restore order. He then reveals his true identity to Penelope and reunites with his son Telemachus and eventually reestablishes his authority as the rightful king of Ithaca.
Anne Bonny
Satire
Odysseus proves his identity to Penelope by recounting a secret about their bed that only he would know, as it was constructed by him and is immovable. This knowledge convinces Penelope that the man before her is truly her husband, Odysseus, and not an imposter.
Several women are known to have fought while disguised as men. Some took the identities of their husbands, fathers, brothers, or sons in order to fight.
Odysseus asked his shipmates to tie him to the mast of the ship and plug their ears with beeswax so they would not be seduced by the sirens' enchanting songs.
Odysseus left his family in order to fight in the Trojan War
a clapperdudgeon is a beggar who pales the flesh with arsenic in order to excite a depper sympathy for his plight.