I think you should take Spanish lessons during your time in Guatemala in general. It’s very affordable and tends to be considered a more “neutral” area language-wise to learn from (less region-specific slang, any other Spanish speaker would readily understand you). Since I think everyone should also visit Lake Atitlan, here’s how you can combine the two!
Every time I log onto Instagram there’s another person who “quit their job to travel the world!” It’s a thing nowadays. Hell, I just did it for 4 months. The adultier adults in my life usually seem baffled at this trend. “How can anyone afford to do that?” Well, in conjunction with the ability (privilege) to be saving a lot and living simply beforehand, lots of folks on the road are working or volunteering their way around the world.