1st Answer.The captain wanted John to talk to the men and get then avoid mutiny for as long as possible.
2nd Answer.Jim's first mad notion was when he stowed away on one if the boats going ashore the first Morning on the island.
3rd Answer.Jim witnessed long John stab and murder Tom.
4th Answer.The man of the island was Ben Gunn and he was marooned by the shipmates after telling them if the treasure and they though her was lying so they abandoned him.
Treasure Island was a book about a boy named Jim Hawkins who left his mother's inn to go sailing, following a treasure map from an old dead seaman, with a doctor, a squire, and a suspicious crew. ∴∴∴∴∴∴∵∴∵∴∵∵
