Lords, ladies, and knights; tell me everything you know about !

1) Lord is an appellation for a person or deity who has authority, control, or power over others acting like a master, or a ruler.

2) The word lady is a term of respect for a woman, the equivalent of gentleman. Once used to describe only women of a high social class or status, now it may refer to any adult woman.

“Lady" is used before the family name of a woman with a title of nobility.

wife of a lord, a baronet, and a knight, and also before the first name of the daughter of a duke, marquess, or earl.

3) A warrior in the time of the Middle Ages.
It can also be a young servant or follower; a military attendant.

mounted man-at-arms serving a feudal superior; especially : a man ceremonially inducted into special military rank usually after completing service as page and squire : a man honored by a sovereign for merit