Jesus is mentioned in scripture as our Forerunner...what does it mean...?

in Scripture ? Now i know that hundreds of years ago the captain of every ship knew the dangers of the sea! The greatest danger was coming into port or a harbor that he did not know. If he came into a harbor in a storm, in a fog, or with the wind blowing strongly, he needed to know where the rocks were,... show more in Scripture ?

Now i know that hundreds of years ago the captain of every ship knew the dangers of the sea! The greatest danger was coming into port or a harbor that he did not know. If he came into a harbor in a storm, in a fog, or with the wind blowing strongly, he needed to know where the rocks were, where th shoals and the reef's were hidden. And so the captain of the ship would summon the forerunner...
Every ship had a forerunner. A forerunner was a man who was an expert swimmer. He would tie a very light rope around his waist. They knew the harbor was up ahead but didn't know where to anchor the boat into the water, swim through the water and find out where the reefs and the rocks and the dangerous spots were. When he found the right spot to anchor the boat, he would tug on the line.
The with all of his strength, he would pull the anchor over to the spot and fasten it. The captain was sure that the boat would never be smashed on the rocks because the anchor that held the boat was secure.

How does this picture pro tray Christ? All thoughts welcome.
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