Which figure of speech is used in this text?
Ezra and Florence have trouble working on projects together. Although Florence is very sociable and friendly, she's not exactly a team player.

 - euphemism
 - oxymoron
The text uses a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
Not exactly a team player is an indirect way of saying that someone doesn't work well with others.