What is the meaning of Mark 1:17?

And Jesus said unto them, Come ye after me, and I will make you to become fishers of men. (Mark 1:17 KJV)

And Jesus said unto them, Come ye after me, and I will make you to become fishers of men. (Mark 1:17 ASV)

And Jesus said to them, Come after me, and I will make you become fishers of men; (Mark 1:17 DBY)

Jesus said to them, “Come after me, and I will make you into fishers for men. (Mark 1:17 WEB)

and Jesus said to them, ‘Come ye after me, and I shall make you to become fishers of men;'(Mark 1:17 YLT)

Interlinear

And <kai> Jesus <Iesous> said <epo> unto them, <autos> Come ye <deute> after <opiso> me, <mou> and <kai> I will make <poieo> you <humas> to become <ginomai> fishers <halieus> of men. <anthropos> (Mark 1:17 KJV)

The Fourfold Gospel

Come ye after me, and I will make you to become fishers of men. It was an invitation to follow, that they might be instructed by hearing his teaching and beholding his work. Jesus called them from a lower to a similar but higher labor. He calls all honest tradesmen in this manner. He invites carpenters to build his temple, servants to serve the great King, physicians to heal immortal souls, merchants to invest in pearls of great price, etc. The fisherman found many points of resemblance between the old and new calling, such as, 1, daily hardships and dangers; 2, earnest desires for the objects sought; 3, skill and wisdom in the use of means, etc. Disciples are fishers, human souls are fish, the world is the sea, the gospel is the net, and eternal life is the shore whither the catch is drawn.  

(TFG 162)