Baron is a title.
If you mean the style of address, it would be Lord or Lady Whatever.
(This is the UK style of address, equivalent ranks in other countries may have a different style.)
There is no such title as the Baron of Avon. However, there is the title Earl of Avon.
What role did a medieval baron play?It was the rank if noblitly.
A baron is a male who holds the lowest title of nobility in the systems of Europe. The opposite gender for baron is baroness.
Hunting would be a baron's prime interest.
Life peerages were introduced in the UK in 1958, but traditionally the title of baron was hereditary.
Baron
Two brothers could feasibly hold the title of Baron simultaneously.
Medieval lands and villages were organised by the staff of the Lord or Baron of each manor
A baron is a title provided to an individual to show their honor. This is often based on hereditary value within the family. This is the lowest title used in the noble system of Europe.
was the responsibility af a baron in the middle ages
A baron lives under the bed of the king. Just in case the King needs his balls rubbed
The brother of a baron is typically referred to as a "baron" as well, if he has been granted the same title. However, if he has not been granted a title, he would simply be addressed as "Mr." or by his given name. In the context of hereditary titles, he may also be referred to as "the Honourable" if he is the son of a baron.