How to get the username specified in the channel?

Question

Node.js

Discord has 2 lists of users.
One is the name of the author, which is indicated directly in the profile of the user himself.
The second is the username assigned to him directly on the server by the administrator of that server. Screenshot to understand where it is:


If you request message.author.username, the name specified in the profile will be returned.
Where and how to request lists of server (channel/guild) usernames?

Answer 1

message.guild.members.cache.get(message.author.id).nickname