adjective / noun
sectarian
sek-TAIR-ee-un/sekˈteriən/
Relating to a particular sect or faction, or a person devoted to it.
The barrier separates the congregations amid sectarian tension.

Etymology
From “religious group,” sectarian first described belonging to a breakaway sect. Its extension to attachment to a particular sect helps explain its emphasis on group loyalties and divisions.
In context
Jesus liberates Christian nationalism controls Jesus saves Christian nationalism kills Jesus started a universal movement based on mutual love Christian nationalism is a sectarian movement
More examples
- Sectarian divisions within the party threaten its chances of winning.
- The charity avoids sectarian disputes and focuses on feeding families.
- As a devoted sectarian, he follows his group's teachings closely.
Forms
sectarian · sectarians
sectarianism noun — Strong attachment to a particular sect or faction.
Similar words
- factional
- Emphasizes divisions between subgroups, without necessarily involving religion.
- partisan
- Emphasizes support for one side, especially in politics.
- denominational
- Specifically concerns a religious denomination, without necessarily suggesting conflict.