The Catcher in the Rye From J.D. Salinger’s The Catcher in the Rye, is Holden the catcher in the rye or is he being caught? If the latter, then who is catching him?

The Catcher in the Rye

From J.D. Salinger’s The Catcher in the Rye, is Holden the catcher in the rye or is he being caught? If the latter, then who is catching him?