'Worshiper' definitions:

Definition of 'worshiper'

From: WordNet
noun
Someone who admires too much to recognize faults [syn: worshiper, worshipper]
noun
A person who has religious faith [syn: believer, worshiper, worshipper]

Definition of 'Worshiper'

From: GCIDE
  • Worshiper \Wor"ship*er\, n. One who worships; one who pays divine honors to any being or thing; one who adores. [Written also worshipper.] [1913 Webster]