Definition of partisans:
(n) :
A fervent, sometimes militant, supporter or proponent of a party, cause, faction, person, or idea.
(n) :
An adherent to a party or faction.
(adj) :
Devoted to or biased in support of a party, group, or cause.
(adj) :
Adherent to a party or faction; especially, having the character of blind, passionate, or unreasonable adherence to a party.
(n) :
A member of a band of detached light, irregular troops acting behind occupying enemy lines in the ways of harassment or sabotage; a guerrilla fighter.
(adj) :
Serving as commander or member of a body of detached light troops.