Comrade: Noun
Definition: a close friend you have worked with, been in the military with, etc
Source: http://www.merriam-webster.com/dictionary/comrade
In the reading ” How To Tell a True War Story ” by Tim O’ Brien, Rat refers to his friend as a comrade. ” Rat tells her what a great brother she had, how together the guy was, a number one pal and comrade.
Now that I understand the word, I know that Rat ment he was his close friend from the military.