Vessel That Saves People in Danger at Sea
Question is: Vessel That Saves People in Danger at Sea
and the answer is: LIFEBOAT
Word Meaning:
LIFEBOAT — (nautical) A boat especially designed for saving the lives of shipwrecked people or people in distress at sea (either launched from the shore with a crew, or else carried on board a larger ship).
Definitions from Wiktionary.