Short answers, pulled from the story.
Ferdinand Magellan was born in 1480 and entered the service of King John II of Portugal in 1495. He served as a page to Queen Eleanor within the inner circle of Portuguese nobility from his earliest years.
King Manuel I of Portugal refused to support Magellan's plan to reach the Spice Islands by sailing westwards around the American continent. Magellan fell out of favor after taking leave without permission in mid-1513 and received no offers of employment after the 15th of May 1514.
The fleet consisted of five ships carrying supplies for two years of travel with about 270 men of different origins forming the crew. Sixty percent were Spaniards from virtually all regions of Castile while others included Portuguese, Italian, French, Greek, Flemish, German, Irish, English, and Malaysian sailors.
On the 27th of April 1521, Magellan led a small force against Datu Lapulapu's troops on Mactan island where he was shot with a poison arrow and finished off by other weapons. He died surrounded by enemies after being overpowered completely by bamboo spears and other weapons used by local forces.
Juan Sebastián Elcano captained the Victoria which sailed west across the Indian Ocean then north along Africa's Atlantic coast to return to Spain by the 6th of September 1522. Only eighteen or nineteen survivors remained out of the original 270 men who departed on the expedition.