Some people do, in reverence for a true follower of the gospel, but must always remember that worship belongs to God alone, and that a saint can only* intercede* with God. A saint is revered only as a creature of God who has truly lived according to the will of God
All power and grace is God’s.
From a human point of view, people long gave curtsey and bows and bent the knee before nobles and kings. These are signs of reverence or supplication.