Final answer:
In 'The Pilgrim's Progress,' it is the Interpreter who instructs Christian in reading and understanding the religious significance in everything around him.
Step-by-step explanation:
In John Bunyan's The Pilgrim's Progress, the character who instructs Christian in reading and the religious meanings hidden in every object and event is the Interpreter. This figure helps guide Christian by showing him a series of allegorical rooms and pictures, each imparting a crucial spiritual lesson and providing Christian with the insights necessary to continue his pilgrimage towards the Celestial City. The Interpreter plays a pivotal role in helping Christian understand the deeper spiritual significance of his journey and the world around him.