For a male master:
* Maître (pronounced "may-truh") - This is the most common and general term for a master.
* Monsieur (pronounced "muh-syuh") - This is more formal and polite, usually used when addressing someone with respect.
* Patron (pronounced "pa-trohn") - This is used for a boss or employer.
For a female master:
* Maîtresse (pronounced "may-tres") - This is the feminine form of "maître".
* Madame (pronounced "ma-dam") - This is more formal and polite, usually used when addressing someone with respect.
The best translation will depend on the specific situation and the intended meaning.