This is the 757th most frequent Hungarian word.
angol
"Angol" means "English" in Hungarian.
The word 'angol' here is used in its adverbial form to indicate the language in which the activity of learning is occurring.
Tanulok angolul.
I am learning English.
The word 'angol' is used as an adjective here to describe the type of teacher.
Ő egy angol tanár.
He is an English teacher.
In this context, 'angol' is used as a noun to indicate the person's nationality.