# Overview

In the Sail protocol, the Captain is a user who is primarily responsible for:

* [Launching a Ship](https://docs.sail.fun/sail-protocol/captains/launching-a-ship)
* [Buying NFTs](https://docs.sail.fun/sail-protocol/captains/buying-nfts)
* [Listing NFTs](https://docs.sail.fun/sail-protocol/captains/listing-nfts)