Gender doesnt matter, because Frisk is clearly hispanic.

That's why, after crossing the border barrier , it sees the other beings as monstruous and very diferent, but many of them with very clear personal traits from a specific country in an hipotetycall world called ''Earth''

Then, as it happens, he can choose between hard work or crimes helping the ''monsters'' overcome their problems (and he gets paid money for that, but no experience) or kill the americunts and steal their purses horribly murder the monsters, which curiously enough, all have family and human traits which makes you feel sorry for them,. even empathize as if they were nearly humans, and get dolars from stolen wallets gold and experience, becoming more proficient in the art of assasination

Some people monsters will understand that were you come from there are also hardships, and that, unlike the legends, not all mexicans are cartel members humans are evil creatures, and some of them will have prejudices against you, and try to eliminate you.
inb4 simile with america and mexico and ilegall inmigrants