In the Middle Ages who would have been considered a heretic by the church

A Europe knight who did not join the crusades

A Christian who did not follow accepted church teachings

A Muslim who fought against Christian crusades in Jerusalem

A Jew who refused to convert to Christianity

In the Middle Ages, the church considered several individuals as heretics. These would typically include:

1. A Europe knight who did not join the crusades: While the church encouraged and desired the participation of knights in the Crusades, not actively joining the holy wars would not necessarily make someone a heretic. However, such a knight may have faced social criticism or potential accusations depending on the prevailing religious sentiment.

2. A Christian who did not follow accepted church teachings: The church was highly influential and had a great role in shaping and enforcing religious beliefs and practices during the Middle Ages. Deviating from accepted church teachings or doctrines, especially in matters of theology or doctrine, could lead to accusations of heresy.

3. A Muslim who fought against Christian crusades in Jerusalem: As the Christian Crusades aimed to reclaim Jerusalem from Muslim control, Muslims who fought against the Christian armies would have likely been considered enemies or foes of the faith. However, the term "heretic" itself might not have been used to describe them. Instead, they would have been considered infidels or enemies of Christianity.

4. A Jew who refused to convert to Christianity: In the Middle Ages, Jews faced significant pressure to convert to Christianity. Those who resisted conversion were often subject to discrimination, persecution, and accusations of rejecting the "true faith." Although the term "heretic" primarily referred to Christians who deviated from church teachings, Jews who declined conversion might have been seen as obstinate or stubborn in their adherence to their own religious beliefs.