Passage
The elder to Gaius the beloved, whom I love in truth.
The elder to Gaius the beloved, whom I love in truth.
3 John 1:1 The elder to Gaius the beloved, whom I love in truth.
3 John 1:2 Beloved, I pray that you may prosper in all things and be healthy, even as your soul prospers.
3 John 1:3 For I rejoiced greatly, when brothers came and testified about your truth, even as you walk in truth.
The verse centers on "elder", "gaius", "beloved", and "truth". It is saying that the verse draws attention to "elder" and "gaius", so its meaning should be read from those terms before moving to application.
The next verse adds "Beloved I pray that you may prosper...", so "elder" and "gaius" should be read forward into that movement. In 3 John context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "elder" and "gaius" with trust shaped by these words, not by a vague optimism outside the passage.