Protestantism

noun a person who belongs to a sect or religious group within Christianity

• The Christian sectarians in the town have their own church separate from the main congregation.
• The Christian sectarians over there have some different beliefs compared to the rest of us.
• Those Christian sectarians are always doing their own thing, you know?
• The presence of Christian sectarians in the community adds a unique flavor to the religious landscape.

adjective relating to or characteristic of pietism, a movement in the Lutheran Church during the 17th and 18th centuries that stressed personal piety and devotion

• The pietistic movement emphasized personal piety and devotion to God.
• Some people find pietistic practices to be too strict for their liking.
• I don't really vibe with all that pietistic stuff, you know?
• Her dedication to her work had a pietistic quality to it, as if she was on a spiritual journey towards success.