sectarianism; sectionalism
Refers to excessive loyalty to a particular faction, sect, or subgroup within a larger organization, often leading to division or conflict. Used in political, religious, and organizational contexts.
Sectarianism within the party is delaying policy decisions.
The religious group split due to sectarianism.
派閥 refers to a concrete faction or clique, while 分派主義 is the abstract ideology or tendency toward factionalism.
宗派主義 specifically denotes religious sectarianism, whereas 分派主義 can apply to any group.
Compound of 分派 (branch, faction) + 主義 (principle, -ism). The exact historical origin is uncertain, but it follows the standard pattern for ideological terms.