a person who shares in one's activities, occupation, etc.; companion, associate, or friend.
2.
a fellow member of a fraternal group, political party, etc.
3.
a member of the Communist party or someone with strongly leftist views.
Origin: 1585–95; < Middle French camarade < Spanish camarada group of soldiers billeted together, equivalent to cámar(a) room (< Latin; see camera) + -ada < Latin -āta, feminine of -ātus-ate1
1590s, from M.Fr. camarade, from Sp. camarada "chamber mate," originally "chamberful," from L. camera (see camera). In Sp., a collective noun referring to one's company. In 17c., sometimes jocularly misspelled comrogue. Related: comradely (1880).