sectarianism
Pronunciation:
/sekˈteəɹi.ənɪzəm/noun
Definitions
Rigid adherence to a particular sect, denomination, ideology, or party.
Example: They were discussing sectarianism between Shias and Sunnis.
A political system in which power is shared among religious sects based on a constitutional formula distributing public offices among these sects
Example: In Lebanese sectarianism, one half of the members of parliament are Christians and the other half are Muslims.