Who could Qrow meet in a 'qrow goes back in time' fanfiction?

In a 'qrow goes back in time' fanfiction, one possible plot could be that Qrow goes back to a time before a major tragedy in his life. He could then use his knowledge of the future to prevent it from happening. For example, if there was a battle that led to the loss of many of his friends, he might train harder or gather more allies in the past to change the outcome.

She could meet her younger self. This would be an interesting encounter as she could offer advice and guidance to her younger version. Maybe she could help her younger self to be less afraid of her powers.

One possible plot could be that Naruto somehow gets transported to the RWBY universe. He witnesses Qrow's skills in battle and becomes an instant fan. He then tries to learn from Qrow, and Qrow, seeing Naruto's determination, decides to train him a bit. This leads to Naruto adapting some of Qrow's fighting techniques to his own ninja style.

She could also encounter characters who were once enemies but are now in a different situation due to the time travel. For instance, she might come across a young Death Eater who hasn't fully committed to the dark side yet. Ginny could try to change their path and prevent them from becoming evil in the future.

He could meet his past allies in a different context. For instance, he might encounter Kakyoin or Polnareff when they were just starting their journey. Maybe he could also run into Dio at a time when Dio was still plotting his rise to power, which would create a very tense situation.

Lucy may also come across ancient warriors. For example, she could meet a Spartan soldier and be amazed by his combat skills and strict discipline. They could have a brief encounter where the Spartan is curious about this strange girl from another time.

There's a possibility that Zuko would meet his grandfather. His grandfather's actions and decisions might have influenced the path the Fire Nation took towards war. By meeting him, Zuko could try to sway his grandfather's views and change the future of the Fire Nation at its root.

She could meet her younger self. It would be an interesting encounter as she could give advice to her younger version. Also, she might meet the earlier versions of her friends like Jiraiya and Orochimaru when they were all young and training together. Another possibility is that she could meet Hashirama Senju, the first Hokage, and learn from him directly about the founding of Konoha and his ideals.

Well, it could be about Naruto having some of Qrow's characteristics. Maybe he has Qrow's combat skills or his sense of humor. For example, Naruto could inherit Qrow's scythe - using fighting style and combine it with his own ninja moves. It would make for some really interesting battles.

He could meet Dr. Halsey when she was just starting her research on the Spartan program. Master Chief could give her some insights from the future, which might change the way the program is developed.