How does Michael get rescued in the book kensukes kingdom?

In "Kensuke's Kingdom" by Michael Morpurgo, Michael is rescued after he is stranded on a deserted island. He befriends Kensuke, a reclusive man who helps him survive. Eventually, when Michael's parents search for him, they spot him on the island, and Kensuke decides to help facilitate his rescue. The story concludes with Michael being reunited with his family, highlighting the bond he formed with Kensuke during his time on the island.