HOW DO I ERASE OTHER IN STORAGE

You don't.

Have a read of this:

https://support.apple.com/en-ca/guide/system-information/syspf9b375b9/11.0/mac/11.0

and note the following:

• Other: Contains files that don’t fall into the categories listed here. This category primarily includes files and data used by the system, such as log files, caches, VM files, and other runtime system resources. Also included are temporary files, fonts, app support files, and plug-ins. You can't manage the contents of this category. The contents are managed by macOS, and the category varies in size depending on the current state of your Mac.

Note, in particular the final two sentences:

You can't manage the contents of this category. The contents are managed by macOS, and the category varies in size depending on the current state of your Mac.

See used and available storage space on your Mac

The Final word from Apple on managing the " Other " Category

• Other: Contains files that don’t fall into the categories listed here. This category primarily includes files and data used by the system, such as log files, caches, VM files, and other runtime system resources. Also included are temporary files, fonts, app support files, and plug-ins. You can't manage the contents of this category. The contents are managed by macOS, and the category varies in size depending on the current state of your Mac.