Complex sentence: Theologically, redemption is a metaphor for what is achieved through the Atonement; therefore, there is a metaphorical sense in which the death of Jesus pays the price of a ransom, releasing Christians from bondage to sin and death.
Split into simpler sentences: Theologically, redemption is a metaphor for what is achieved through the Atonement. Therefore there is a metaphorical sense in which the death of Jesus pays the price of a ransom, releasing Christians from bondage to sin and death.