Copy

When I was on a server with a rp and I was playing, there was a player who would copy a player's skin and exact name in less than a minute. Then when I sent him a private message to stop, he sent me back the same message instantly. This is not a bug, but an obvious hacker.

What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
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