Lightsail WordPress: Facing permission issues on FileZilla

I have connected my WordPress instance on LightSail to FileZilla using SSH. I could access directories and files such as wp-content, plugins, and the exact plugin with whom I want to work (tablepress-datatables-inverted-filter). But as I try to edit or remove the PHP file under the plugin directory, I am denied.

Here is the message if I try to delete:

/opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/tablepress-datatables-inverted-filter/tablepress-datatables-inverted-filter.php: open for write: permission denied

Help appreciated.

Under Owner Group, I see daemon da

The page I need help with: [log in to see the link]