The main function of the prophets was to rebuke (see Jeremiah 7:23-25). Those who didn't want to accept the stinging criticisms (ibid) would respond in all kinds of ways, including ridicule.
It should be pointed out, however, that it wasn't everyone who did so.
amos is a person
The Biblical Prophet Amos was a Jew. As for whether any other person who has the name Amos is Jewish, this would require a surname.
the poor
This book in the Hebrew Bibles is called "Sepher Amos", the Book of Amos; and, in the Vulgate Latin and Syriac versions, the Prophecy of Amos. This person, Amos is not the father of Isaiah, as some say. There are no family details regarding, Amos except that this man was a country farmer and herdsman.
There is no specific time period of when Amos prophesied, however, Amos was written by Amos between the years of 760 and 750 BC. Amos was a Shepard from Judah with no known ministry credentials, except a word from God for the people.
poor people
Amos described the consequences that would come on people who had turned their backs on God. Amos’ warnings were not meant only for his day, but also for today.
Amos preached in the Northern Kingdom of Israel.
Amos.
Amos’s bell is singular possessive. Amos’ bell implies there is more than one Amos.
It challenged the people because they had forgotten about the one true God.
Well he was God and he can make anyone do what he wants so he told the prophets to write it to teach other people.