Historical Christian group; often used in historical or religious contexts. The cross-reference 清教徒 is the native Japanese equivalent.
See also: 清教徒
The Puritans sought reform of the Church of England in the 17th century.
puritan; person with strict morals
Figurative use for someone with very strict moral or religious views, often disapproving.
He is a puritan who neither drinks nor smokes.