What should I fill in for the 'guarantor' section on the visa application form for a spouse DTV?

When completing the visa application form for the spouse DTV, the 'guarantor' section is generally considered non-essential. Responses from the community suggest various approaches: some indicate that it is acceptable to write 'Not Applicable', while others recommend using the address of your residence in Thailand or mentioning a Thai person you know, such as your spouse or a close friend.