Passage
Paul, a servant of Jesus Christ, called to be an apostle, separated unto the gospel of God,
Paul, a servant of Jesus Christ, called to be an apostle, separated unto the gospel of God,
Romans 1:1 Paul, a servant of Jesus Christ, called to be an apostle, separated unto the gospel of God,
Romans 1:2 (Which he had promised afore by his prophets in the holy scriptures,)
Romans 1:3 Concerning his Son Jesus Christ our Lord, which was made of the seed of David according to the flesh;
The verse centers on "called", "paul", "servant", "jesus", "christ", "apostle", "separated", and "gospel". It is saying that the verse draws attention to "called" and "paul", so its meaning should be read from those terms before moving to application.
The next verse adds "Which he had promised afore by his...", so "called" and "paul" should be read forward into that movement. In Romans context, the local focus is righteousness by faith, union with Christ, life in the Spirit, and God's covenant faithfulness.
A plain takeaway is to answer the verse's own emphasis on "called" and "paul" with trust shaped by these words, not by a vague optimism outside the passage.