would this fall under ethical or unethical hacking and where to acquire?

i was looking into hacking an account that is empty and has been abandoned for a decade to acquire the username. it would simply be logging into their account and changing their username so i can have it instead. would this be ethical or unethical hacking and is there a way to find someone who is willing to do this? for context the account is an x account that someone made and seemingly never used (no followers/pfp/bio/etc made in 2016)

submitted by /u/autismsnie
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from hacking: security in practice https://ift.tt/xZzpor1