What Sebastian's and Antonio's behavior toward the boatswain suggest to the audience about their personalities? Give textual evidence to support your answer

Sebastian and Alonso curse the Boatswain while he was trying to save the ship.

Explanation:

In Act I scene I, when a violent storm rages the tempest, Sebastian and Alonso curse the Boatswain while he was trying to figure out a way to save the Tempest. This was after the Boatswain told them he would do what he had to do in order to save the ship.

Because they are from a royal family, they always want to be in charge and have control over everything. They are already used to getting their way and having the upper hand in situations. This makes them very arrogant, rude, selfish and impatient.