What does David represent in the story of David and Goliath?

In the narrative of David and Goliath, David is often viewed as a type of Christ, representing a mediator between God and humanity who advocates on behalf of the elect. Just as David was anointed king and won victory for the people of Israel, Christ was preordained to be our King and Savior, securing victory over sin and death. The battle was not merely physical but symbolic of the spiritual warfare that Christians face. David's faith in God allowed him to triumph against Goliath, mirroring how Christ's faithfulness and obedience led to His victory over sin. Through His sacrificial death and resurrection, Christ has 'slain' our greatest enemies—sin, death, and the devil, allowing believers to partake in His victory and experience eternal life.