Someone ripped of a blog of mine...and it is already ranking higher....how to fix!

Hi everyone,

First post so apologies if I'm not doing this properly.

I run a hobby website. Its all about how expats living in Thailand can get Thai citizenship. Its pretty niche, but that's okay.

Last year I wrote a long blog post on how to you can apply for Thai citizenship.

To my mind, its unique and goes okay and most of my pages rank fairly highly on google searches on the topic.

https://www.thaicitizenship.com/thai-citizenship-for-foreigners-married-to-thai-spouse/

Anyway, last week I find that someone has ripped off my blog, word for word. The reason I found out is that when I did a search on the topic, the following site ranked higher than mine in some cases - even though it is newer, has ripped off my content. To be clear, their site has nothing to do with the topic of Thai citizenship, they just have one of my better articles there, word for word.

https://emergingtrendsadvisors.com/thai-citizenship-step-by-step-guide/

My question is, what have they done (if anything) to have achieved this, and what am I potentially doing wrong. As said, its a hobby site but I'd like to be the best one around. I know my content is the best, but clearly that isn't enough for google.

Many thanks in advance.