“And you must show mercy to those whose faith is wavering” (Jude 1.22 NLT).
A wavering faith means a growing faith. When we are first given faith, it is still in a seed-like, immature form. Our faith must grow, and the only way for it to grow is for it to meet up with resistance. During difficult times, our faith may flounder for a minute or even take a tumble, but if we cling onto God with all our might, our faith will grow stronger and more secure in the Lord. We should never feel badly if our faith waivers a bit. God is bringing us into deeper maturity in our relationship with Him, and our faith will waiver under the new weight of this intimacy at first. We must give ourselves and others time to strengthen their faith and be merciful to the ones under a new pressure in their Christian walk. The struggle shows that we are growing. If everything is always easy and nothing tests our faith, it will never grow or deepen. With every new level in our walk of faith comes new “devils,” and the weight of adversary may shake us, but it does not have to break us. God will not give us more than we can handle, but when He does give our faith a heavy load, we must realize that He trusts us to stand strong under it (1 Corinthians 10.13). When we see someone struggling in their faith, the worst thing we can do is criticize them. It is better to encourage and strengthen their faith, knowing that someday we too will need the same encouragement for the faith that God is growing in us.
“When we get together, I want to encourage you in your faith, but I also want to be encouraged by yours” (Romans 1.12 NLT).