@ash

Each user has a unique address that includes the server name, so if you change servers your address changes too.

But there's a way to move your account to another server so that you keep your followers and follows, and they will automatically switch to your new address. Also, your old address will redirect to your new one.

More about the addresses here:

https://fedi.tips/how-to-use-mastodon-and-the-fediverse-basic-tips/#WhatsMyAccountsAddress

And more about moving accounts here:

https://fedi.tips/how-to-use-mastodon-and-the-fediverse-basic-tips/#TransferringYourMastodonAccountToAnotherServer