faction noun
ADJ. dominant, leading, main, major | internal | competing, opposing, rival, warring | breakaway | dissident, rebel | disaffected | military, parliamentary, political | conservative, hard-line, left-wing, liberal, moderate, radical, right-wing | anti-reform, anti-talks, etc.
VERB + FACTION lead
PREP. ~ in the largest faction in the civil war | ~ within the dominant faction within the government
You can also check other dicts: faction (English, 中文解释 ), wordnet sense, Collins Definition