Student or Learner
I ran into the sentence:
We have stored enough firewood against the winter.
Isn’t it more natural to say
We have stored enough firewood for the winter.
The second is more common, but both are absolutely fine.
They are not opposites. The sense of the first is that the wood will will protect against the cold.
I'm not a teacher. I speak American English. I've tutored writing at the University of Southern Maine and have done a good deal of copy editing and writing, occasionally for publication.