Was heißt »Untertanin« auf Englisch?

Das Substantiv Untertanin lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Männliche Wortform

I'll return to this subject at the end of the book.
History can be an interesting subject, but the history we're learning at the moment is a bit boring.
Op-eds containing factual arguments should be subject to fact-checking.
I could say a lot on that subject.
Maths is my favourite subject.
"All right! Keep your hair on! I just wanted to mention the subject again, not have a big debate about it."
Her favourite subject is Mathematics.
She was subject to groundless suspicions.
Which subject does Mrs Jackson teach?
Which subject does Ms Jackson teach?
What subject does Ms. Jackson teach?
Algebra is my favourite subject.
Law is a subject I don't like.
His subject is economics.
Maths is her favourite subject at school.
Tom brought up a very thorny subject during the barbecue.
Philosophy is not as difficult a subject as you think.
Yes, you can capitalise the school subject here. Some style guides insist on it, others don't. I'm often inconsistent about it, though: sometimes I feel the need to do it, and sometimes I don't.
In secondary schools, teachers usually teach at least one subject (for example, History), but they often have another role, that of "form teacher".
Latin was offered as an optional subject to only a few pupils at our secondary school.