Good going so far!
The Esperanto word for I is mi.
It is just like me in English so you shouldn’t have any problems remembering this word. If you want to say I am, you still say mi estas (or I is) because the word estas in Esperanto never changes in the way that it changes to I am, you are, and he is in English. Think of estas as the word can: you always say I can, you can, he can, we can, etc. and the word can never changes: in Esperanto, all words work in that way.
The Esperanto word for a human is homo.
It is the same as in Latin, therefore the similarity to English. How would you say: