Cora is eventually murdered, but she is avenged by the title character, Uncas, son of Chingachgook.  
Tamenund is described as being ancient, speaks mostly in French, and offers wise counsel.  Another one of this novel's characters, David Gamut, seems to be a Christian missionary and is never attacked when he sings religious songs.  The American, Duncan Heyward, is at first portrayed as selfish but later heroically poses as the protagonist only to be unmasked in a shooting contest.  The novel's story revolves around Alice and Cora Munro, whose death is planned by Magua as revenge upon their father.  Cora is eventually murdered, but she is avenged by the title character, Uncas, son of Chingachgook.  FTP, name this novel about Hawkeye, one of Cooper's Leatherstocking Tales.
Tamenund is described as being ancient, speaks mostly in French, and offers wise counsel.  
The Last of the Mohicans