noun, noun which may take the genitive case particle 'no'
left wing; leftist faction
Refers to the political left, including progressive, socialist, or liberal groups within a party or broader political spectrum.
彼は党内の左派に属している。
He belongs to the left wing of the party.
The left wing of that party opposes the reforms.
左派の政治家が新しい社会政策を提案した。
A left-wing politician proposed a new social policy.
In recent years, the left wing has been gaining influence within the party.
右派 is the political right wing, directly opposite 左派, the political left wing.
Compound of 左 (left) and 派 (faction, group). The political sense follows the seating arrangement in the French National Assembly after the Revolution, where radicals sat on the left.