Answer:
Character | Concept or Symbolic Meaning
--- | ---
Christian | The protagonist, representing the everyman who is on a spiritual journey towards salvation.
Evangelist | A messenger sent by God to guide Christian on his journey.
Obstinate | A person who is stubborn and resistant to change, representing those who refuse to accept faith.
Pliable | A person who is easily influenced, representing those who are open to faith but lack conviction.
Worldly Wiseman | A person who is worldly and focused on material possessions, representing those who are distracted from their spiritual journey.
Goodwill | A person who is kind and welcoming, representing those who are supportive of Christian's journey.
Faithful | A companion of Christian who represents those who have a strong faith and who are willing to suffer for it.
Hopeful | Another companion of Christian who represents those who have hope and faith in their journey.
Charity | A person who is charitable and kind, representing those who perform good deeds and help others.
Giant Despair | A personification of despair and hopelessness, representing the challenges and obstacles that Christian must overcome on his journey.
The Celestial City | The ultimate destination of Christian's journey, representing heaven and eternal salvation.