a noun is a word which is used to refer to people, objects, concepts, and places. Specifically, the term 'lord' is a title given to someone of a higher social class, such as a nobleman or ruler. It is also sometimes used to describe someone who is in a position of power or authority.
The term 'lord' is usually used to refer to a man, but can also refer to a woman in special cases. The term is usually used to refer to someone in a position above the speaker, though there may be certain contexts in which it is appropriate for the speaker to refer to themself as a lord.
1) Queen Elizabeth has many titled lords among her subjects.
2) The lord of the manor strode through his estate with a proud demeanor.
3) The new lord of the castle sat in the throne room, listening to people's complaints.
when referring to oneself as a lord, it should be done with humility and respect, since it is a term typically used for those in a higher social class than the speaker. Additionally, it is polite to pair the term lord with other titles of respect such as 'My Lord' or 'His Lordship'.