Hello,

Regarding your query, you can hide the author by following the path Admin Panel > Appearance > Customize > Theme Options > Single Post > Hide Author, to hide the author from single post page as shown in the screen record given below.

https://www.loom.com/share/36bd8938c5184a4bbd74ae153a142ba7

However, you can use below-given CSS to hide the author name from the front page by going to Admin Panel > Appearance > Customize > Additional CSS,

.home #content span.byline {
    display: none;
}

Regarding your query related to the translation, you can translate to any language as per the requirement using the Loco Translate plugin as all the strings of the theme are made translations ready. You can refer to the documentation link given below to get detailed assistance on how to translate strings using LOCO Translate.

https://wptravel.io/translation-of-the-strings/

Hope this helps.

If you have any queries further, let us know.

Regards.

Hello,

Glad we could help you.

If you have any queries further, let us know.

Regards.