In Eloquent or Query Builder method select(), you can specify "as" to return any column with a different name, just like in plain SQL query.
$users = User::select('email')->get(); /* RESULT:array:1 [▶    0 => App\Models\User {#3204 ▼      email: "[email protected]"    }  ]*/ $users = User::select('email as user_email')->get(); /* RESULT:array:1 [▶    0 => App\Models\User {#3204 ▼      user_email: "[email protected]"    }  ]*/