In Matthew 19:21 He tells a man “If you wish to be complete, go and sell your possessions and give to the poor, and you will have treasure in heaven; and come, follow me.” Sounds like leaving everything behind to become an apostle is the epitome of completion (also see Mary and Martha and dinner prep). In Luke 9:59-62 He calls people to ignore burial responsibilities and not look back for anything.
On the other hand, in Mark 5:18-20 the previously possessed man who begs to follow Jesus is told no: his job is to stay where he is and tell his story.
Further, in Matthew 10:40-42 Jesus says that merely receiving a prophet as such will receive a prophet’s reward. That starts to sound a lot like the parable of the workers in the vineyard.
Perhaps 1 Corinthians 12 ties it together: “And if one member suffers, all the members suffer with it; if one member is honored, all the members rejoice with it.” The reward of the apostle John is also the reward of the healed demoniac, not because each is given the same thing, but because they share together in the same body. Which leads to interesting possibilities with "On the contrary, it is much truer that the members of the body which seem to be weaker are necessary."