A Saint then is someone who is set apart for special service unto the Lord (exclusively), a consecrated and sacred sanctified holy one.
“God creates out of nothing. Wonderful you say. Yes, to be sure, but he does what is still more wonderful: he makes saints out of sinners.” -Søren Kierkegaard, The Journals of Kierkegaard
I Peter 2:9 “But ye are a chosen generation, a royal priesthood, an holy nation,