Are the characters bartud and avark in heinlen's novel stranger in a strange land?

Answer 1

No, there are no characters named Bartud or Avark in "Stranger in a Strange Land"

Answer 2

There is no mention of characters named Bartud or Avark in Robert A. Heinlein's novel "Stranger in a Strange Land". The main characters in the novel are Valentine Michael Smith, Jubal Harshaw, Jill Boardman, and Ben Caxton.