Because the Christian and Islamic religions teach that leadership belongs to males.
You really need to narrow your question down a bit. A lot of Jews embraced Christianity, and, over the next several centuries, a lot of pagans embraced Christianity.
Paul the Apostle.
Constantine
The ideas of Christianity were seen by many as a threat to the Roman Empire. Some believe that is why Rome eventually embraced Christianity, as to influence it.
Many of them embraced Islam and became very good Muslims.
Prince Vladimir embraced Orthodox Christianity as the religion for the Russian people in 988 AD.
The Quakers are a religious group known for embracing pacifism. They believe in non-violence and working towards peace through peaceful means.
Max webet
King Ezana of Axum converted to Christianity.
They universally embraced religious tolerance.
Religious thought and ideas changed somewhat - Lollards, Hussites, Martin Luther and Calvin all rejected, in one form or another, Christian Doctrine as presented by the Catholic Church. However, this is more to do with religious doctrine than philosophy as such.
Spiritual well-being refers to a sense of peace and contentment stemming from an individual's relationship with the emotional and personal aspects of life. It can have religious connotations, but can also be embraced by the non-religious or by the religious outside of their religious beliefs.