The pirates on the western side of the SCUMM Bar can give you some background information.
Hint 4
You can only talk to three of these.
Hint 5
You can talk to the pirate at left side of the top, left table; the pirate at the left side of the bottom, right table; the pirate at the right side of the middle, right table.
Hint 6
They don't give you any extremely useful information, though.
Hint 7
However, there are even more pirates you can talk to.
Hint 8
Who did the pirate at the top, left table tell you to speak to?
Hint 9
Three Important-Looking Pirates, perhaps.
Hint 10
They're on the eastern side of the SCUMM Bar, one screen right of the curtain.
Hint 11
Talk to the three Important-Looking Pirates.
Hint 12
You need to get their attention somehow.
Hint 13
Tell them you want to be a pirate.
Hint 14
Talking to them more can help you learn about the three trials.
Hint 15
Run through all the dialogue options to learn more about the three trials.