text: In his youth, this man fought in the Battle of Diu, and he enslaved a Malay interpreter named Enrique while participating in the siege of Malacca.
full_question: In his youth, this man fought in the Battle of Diu, and he enslaved a Malay interpreter named Enrique while participating in the siege of Malacca. This man was forced to quell a mutiny at Port Saint Julian. At the request of Rajah Humabon, this man tried to invade Mactan, which resulted in him getting fatally speared by Lapu-Lapu. This man's fleet, including the flagship Trinidad, was funded by Charles V. Juan Sebastian finished the accomplishment this man is best known for after he was killed in the Philippines. For 10 points, name this Portuguese explorer who led the first expedition to successfully circumnavigate the Earth.
first_sentence: In his youth, this man fought in the Battle of Diu, and he enslaved a Malay interpreter named Enrique while participating in the siege of Malacca.
raw_answer: Ferdinand Magellan [or FernÃ£o de MagalhÃ£es; or Fernando de Magallanes]