Student or Learner
"The two of you need to work together here to make things better for all of you, rather than fire-fighting on your own."
More: My husband used to treat me like princess, but now he just ignores me - Mirror Online
If we want to put it another way, can we use the below proverb?
“Individually, we are one drop. Together, we are an ocean.”
No. Together they are two drops. The ocean metaphor is for more than 2 people.