Grab any Indonesian proxy from this list here then change your proxy on your browser.
On Chrome for PC head to Settings > Show advanced settings > under Network, click on Change proxy settings > click on Lan Settings and tick "Use Proxy Server for your LAN".
Fill in the address box with the proxy, and the port box accordingly. For example, if your proxy is 180.250.160.58:8080, "180.250.160.58" goes into the address box and "8080" is the port.
Tick on Bypass Proxy Server For Local Addresses. Press OK.
Now, go to your Facebook Account settings page, change the language to "Bahasa Indonesia" and save changes.
Remove your Facebook last name and save changes again.
Once you have complete everything, revert to your original language.