Who is William from the witch of blackbird pond?

William Ashby is a character in "The Witch of Blackbird Pond" by Elizabeth George Speare. He is a wealthy and ambitious young man who becomes romantically interested in the protagonist, Kit Tyler. William represents the expectations of Puritan society and the pressure to conform, as he seeks to marry Kit in order to secure his social standing. His character contrasts with Kit's independent spirit and desire for freedom.