worshipper

Concise Oxford English Dictionary © 2008 Oxford University Press:
worship/ˈwɜːʃɪp/

▶noun

• 1 the feeling or expression of reverence and adoration for a deity.

  ■ religious rites and ceremonies.

• 2 great admiration or devotion.

• 3 (His/Your Worship) chiefly Brit. a title of respect used chiefly to or of a magistrate or mayor.

• 4 archaic honour given in recognition of merit.

▶verb (worships, worshipping, worshipped; US also worships, worshiping, worshiped)

• 1 show reverence and adoration for (a deity).

• 2 feel great admiration or devotion for.

– derivatives
worshipper noun.

– origin OE weorthscipe ‘worthiness, acknowledgement of worth’ (see worth, -ship).