The term 'PSI FOLLOWER' is a crossword solution that consists of two words: 'PSI' and 'FOLLOWER'. The first word, 'PSI', is a five-letter word that is the Greek letter for 'OMEGA'. OMEGA is the last letter in the Greek alphabet and is often used to represent the end or completion of something. The second word, 'FOLLOWER', refers to someone who follows or supports a particular person, group, or idea. Together, the two words form a phrase that can be interpreted as someone who follows or supports a particular person, group, or idea to its completion.