"Puritan" is a word in ENGLISH

Of or pertaining to the Puritans; resembling, or
characteristic of, the Puritans.

One who is scrupulous and strict in his religious life; --
often used reproachfully or in contempt; one who has overstrict
notions.

One who, in the time of Queen Elizabeth and the first two
Stuarts, opposed traditional and formal usages, and advocated simpler
forms of faith and worship than those established by law; --
originally, a term of reproach. The Puritans formed the bulk of the
early population of New England.