党派 is read as とうは (touha) and means faction.
とうは
touha
とうはしん
factionalism
とうはこんじょう
partisan spirit (prejudice)
とうないはばつ
intra-party faction
ちょうとうは
suprapartisan
いっとういっぱ
particular party or faction
むとうは
political independents
おうとうは
royalists
むとうはそう
unaffiliated voters
とうぜ
party platform
とうかんぶ
leading members of a party
とうそうさい
president of the party
とうしゅとうろん
debate between party leaders (in the Japanese Diet)