Well, as a beginner you actually don’t need to pay or get a mentor to teach you forex trading. Whatever you need to learn is available for free on the internet. The majority of traders have learnt forex trading on the internet. There are free courses, paid courses, youtube videos, articles, blogs, books, so many options available. I suggest you an option based on the fact that you are a better listener, or a better reader. If you are a better listener, go for video courses, as available on Youtube. Just make sure that the youtuber teaching is a verified trader. If you are a better reader, choose from forex courses that have a majority of good reviews.
Then it is important for you to demo trade. I think you should start from the beginning again, so that you can come back to live trading and make no more losses.
All the best.