partisan
//ˈpɑːr.tɪ.zən//
Noun
partisanSingular
partisansPlural
1
A strong supporter of a party, cause, or person, especially one who shows unwavering loyalty and bias.
He is a partisan of the environmental movement and never misses a protest.
2
A member of an armed group formed to fight secretly against an occupying force, especially during wartime.
The partisans carried out sabotage operations against the enemy forces during the occupation.
Adjective
partisanCanonical form
1
Prejudiced in favor of a particular cause or group; biased and one-sided.
The article was criticized for its partisan coverage of the election.