What is the name of the protagonist in "The Bourne Betrayal"?

The protagonist in "The Bourne Betrayal" is Jason Bourne.

The novel is the fifth entry in the Jason Bourne series and was written by Eric Van Lustbader, who continued Robert Ludlum's characters after Ludlum's death. Published in 2007, it follows Bourne through another international conspiracy involving espionage, political violence, and his struggle to understand the forces manipulating him.

Jason Bourne is the adopted identity of David Webb, a former intelligence operative whose fragmented memory and dangerous skills define the series. Readers sometimes confuse the book series with the films starring Matt Damon, but "The Bourne Betrayal" is a novel and has not been adapted as one of the main Bourne movies. The title refers to a specific installment in the literary series, while Jason Bourne remains its central character.