chained_bear commented on the word mackerel-snapper I get the fish-eater thing, but I don't know why non-Catholics wouldn't want mackerel--evidenced by the use of the term in a disparaging phrase. (Or wouldn't want snapper, for that matter.)
Psalm 1 is the first of the Psalms in the Hebrew Bible. Like many of the psalms, it contrasts the  righteous  person (tzadik ×¦×××§) to the wicked or ungodly (rasha` ×¨×©×¢) or the  sinner  (chatta' ×××).
70 Dr. Constable's Notes on 2 Samuel 2015 Edition David's flight from Jerusalem 15:13-37 The people of Israel had formerly given the kingdom to David as a gift (5:1-3), but now they took that gift from him (v. 13). 296 David knew that Absalom was popular with the people.015 Edition Dr. Constable's Notes on 2 Samuel 71 At this time there were two leading priests in Israel: Zadok (who was also a prophet, v. 27) and Abiathar. Probably Zadok was responsible for worship in Jerusalem where David built a new structure to house the ark.