C1 noun, adjective /ˈpɑːrtɪzən/
partisan
党派の支持者
Meaning
A strong supporter of a party, cause, or person; showing biased allegiance.
Example
The debate quickly turned partisan, with each side defending their own agenda.
議論はすぐに党派的になり、各側は自分のアジェンダを擁護しました。