The Process of Sainthood
There are saints with a capital “S” and there are saints with a lower case “s.” Those who have proclaimed Jesus as Lord and Savior are, in one way or another all considered saints with a lower case “s.” Here, however, we are looking at the upper case Saints: those who are now called “Friends of God.” Again, this is a phrase that literally takes it to the next level as all believers are, in a sense, friends of God.
The distinction in the Catholic Church is interesting - no different, really, than the “righteous ones” of the Jewish faith. For instance, in the Jewish faith it is understood that Noah is called “righteous for his generation” which using our vernacular would be translated into a lower case “s” saint. Moses, on the other hand, is righteous for all generations - the uppercase “S” Saint status in our terminology.