footstool

noun
  1. A low stool or support on which to rest the feet when sitting. noun
    She placed her feet on the footstool while reading her book.
    The footstool matched the color of the armchair perfectly.
  2. A metaphorical term used to describe a position of subservience or inferiority. noun
    He refused to be treated as a mere footstool by his superiors.
    The conquered nation was reduced to a footstool for the empire.