1) Kansan 
Jayhawkers is a term that came to prominence just before the American Civil War in Bleeding Kansas, where it was adopted by militant bands affiliated with the free-state cause. These bands, known as `Jayhawkers`, were guerrilla fighters who often clashed with pro-slavery groups from Missouri known at the time as `Border Ruffians`. After the Ci...
• (n.) A name given to a free-booting, unenlisted, armed man or guerrilla.
Jay'hawk`er noun A name given to a free-booting, unenlisted, armed man or guerrilla. [ A term of opprobrium used in the war of 1861-65, U. S.]