Salvation is another story and is to those who believe by faith. 56 speaks of such people as receiving a greater reward, because they did and obeyed what was required of a people other than themselves. This duty to the King of Kings and to the Covenant He made with Israel is one of dominion in Christ's name. Non-Israelites are welcome to pick up that commission and will be blessed for their service to the King of kings. They shall be saved by their faith.
Salvation is a consequence of redemption.
The key to redemption is a love for His Will to be done on Earth as it is in Heaven, i.e. obedience. If you love God, Christ Jesus, and hear His voice, you will seek out His plan of redemption and do what it requires of you. The plan for redemption is revealed in His New Covenant plan found in His Word. We can attempt to sum it up in Matt. Christ promised those who diligently seek shall find and those who hunger and thirst after it will find it.