In traditional etiquette, a young boy is typically addressed as "Master" until he reaches the age of around 13 or enters adolescence. This title is a sign of respect and is used as a form of address for boys who are not yet considered adults. Once a boy reaches a certain age or maturity level, he may be addressed using more adult titles such as "Mr." or his first name.
Miss.
MIss
In letter heading you would properly address them as Master So and so.
Master
I think that Master is correct
Master John Doe
Do I address a 5 year old boy as Master when sending him a card.
13-14 years old and a knight at 21.
When addressing an envelope to a boy under 18, you can put Master in front of their name. There are many professions that have master in front of them. You can also address a teacher of certain things as master, especially in Asian arts.
"Señorita" is a Spanish term used to address or refer to a young unmarried woman or girl. If it is used for a boy, it would not have a specific meaning as it is not typically used to address males.
No. Master chief, has no relatives or known parents. He is abducted as a young boy to be trained and engineered into a Spartan. He doesn't even remember any siblings or relatives at all.