Answer: It was requisite that the Mediator should be God, that he might sustain and keep the human nature from sinking under the infinite wrath of God, and the power of death₁; give worth and efficacy to his sufferings, obedience, and intercession₂; and to satisfy God’s justice₃, procure his favor₄, purchase a peculiar people₅, give his Spirit to them₆, conquer all their enemies₇, and bring them to everlasting salvation₈.

1. Acts 2:24-25; Romans 1:4; cf. Romans 4:25; Hebrews 9:14
2. Acts 20:28; Hebrews 9:14; Hebrews 7:25-28
3. Romans 3:24-26
4. Ephesians 1:6; Matthew 3:17
5. Titus 2:13-14
6. Galatians 4:6
7. Luke 1:68-69, Luke 1:71; Luke 1:74
8. Hebrews 5:8-9; Hebrews 9:11-15

For further study see:

1. WCF CHAPTER 8 Of Christ the Mediator
2. WSC Q21: Who is the Redeemer of God’s elect?
3. WSC Q22: How did Christ, being the Son of God, become man?
4. WSC Q23: What offices doth Christ execute as our Redeemer?
5. WSC Q24: How doth Christ execute the office of a prophet?
6. WSC Q25: How doth Christ execute the office of a priest?
7. WSC Q26: How doth Christ execute the office of a king?
8. WSC Q27: Wherein did Christ’s humiliation consist?
9. WSC Q28: Wherein consisteth Christ’s exaltation?