Log in with a different account? :)
Seriously, your account name is tied to your authentication, and there is no way to force the other side to use a specific alias for you, but if both parties implement XEP-172 , you can send a hint to the other side when signing:
<presence from=' narrator@moby-dick.lit ' to=' starbuck@moby-dick.lit ' type='subscribe'> <nick xmlns='http://jabber.org/protocol/nick'>Ishmael</nick> </presence>
Joe hildebrand
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