Presumably, your reference to Marlowe comes from Humphrey Bogart's portrayal of that character in other movies. You are probably referring to "The African Queen".
The story is set at the beginning WWI. Humphrey Bogart, playing Charlie Allnut, the hard-drinking captain of the African Queen and Katharine Hepburn, playing Rose Sayer, a missionary whose brother had just been killed by the Germans, traveled up the Congo on The African Queen to launch a torpedo against the Königin Luise, a German gunboat, in order to allow the British forces to advance.
A steamboat pilot
Twain's desire to be a steamboat pilot was more concrete and achievable compared to his other childhood dreams, such as being a pirate or an Indian. The dream of being a steamboat pilot was based on a real profession that he could realistically pursue, whereas his other dreams were more fantastical and unlikely to come true. Twain's desire to be a steamboat pilot also reflected his fascination with the Mississippi River and the culture associated with steamboat travel.
The steamboat Pilot
pilot
The pilot on a Missouri River steamboat was crucial due to their expertise in navigating the river's complex and often shifting channels, sandbars, and shallow areas. Their knowledge of local conditions, seasonal changes, and potential hazards was essential for ensuring the safety of the vessel and its passengers. Moreover, skilled pilots could optimize travel times and routes, significantly impacting trade and commerce along the river. Overall, their role was vital for the successful operation and profitability of steamboat journeys.
Steamboat
the pilot
The story "A Cub Pilot" is set along the Mississippi River in the mid-1800s. It follows the adventures of a young boy named Sam Clemens as he learns the ropes of piloting a steamboat.
Steamboat Pilot on July 31, 1885. It was founded by James Hoyle, and was published out of a log cabin. When it was established, it had a circulation of only 5.
Because it paid well
Essentially the greatest steamboat captain of all time. He inspired Mark Twain to become a steamboat pilot.
A Mississippi cub-pilot refers to a novice or apprentice steamboat pilot on the Mississippi River. They were responsible for learning the intricate navigation of the river, such as the changing currents, sandbars, and hazards, under the guidance of an experienced pilot. Mark Twain's book "Life on the Mississippi" offers a detailed account of his experiences as a Mississippi cub-pilot.