What's the difference between reave and reaver?

Reave

Definition:

• (v. i.) To take away by violence or by stealth; to snatch away; to rob; to despoil; to bereave. [Archaic]

Example Sentences:

Reaver

Definition:

• (n.) One who reaves.

Example Sentences:

• (1) His very last book, The Reavers (2007), is set in Elizabethan England.