This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A person who worships, especially at a place of assembly for religious services.

n. See worshiper.

n. someone who admires too much to recognize faults

n. a person who has religious faith

"“I am not,” said Mr. Slope, to whom the word worshipper was peculiarly distasteful."

worshipper   

adorer    idolater    idolatress    idolist    fetishist    fetichist    iconolator    ignicolist    kneeler    hagiolator   

churchwoman    churchgoer    worshipper    church-member    religionists    secessionist    religionist    supplication    votary    conniver