The noun comrade has 3 senses (first 1 from tagged texts)
1. (55) companion, comrade, fellow, familiar, associate -- (a person who is frequently in the company of another; "drinking companions"; "comrades in arms")
2. Comrade -- (a fellow member of the Communist Party)
3. brother, comrade -- (used as a term of address for those male persons engaged in the same movement; "Greetings, comrade!")