classmates

noun classmates

• confidant — Someone's confidant is a man who they are able to discuss their private problems with.
• acquaintance — An acquaintance is someone who you have met and know slightly, but not well.
• ally — A country's ally is another country that has an agreement to support it, especially in war.
• associate — If you associate someone or something with another thing, the two are connected in your mind.
• buddy — A buddy is a close friend, usually a male friend of a man.