git pushes with wrong user from terminal

Question

I have an issue with git and my terminal.

Here\'s a gallery to show you my issue : http://imgur.com/a/6RrEY

When I push commits from my terminal, git says I

Answer 1

I solved this problem removing (or renaming to *.bak) the id_rsa and id_rsa.pub file on MacOS High Sierra. Idea from here.

I have custom host redirects in ~/.ssh/config that should be applied but used wrong user before I renamed the two files...