The early leader of what become to be called the
Religious Society of Friends, later called the
Quakers, was
George Fox (1624-1691).
In general, the Quakers adhere to the following.
The address each other as "friend".
Avoid oaths and creeds
Avoid hierarchical structures
Although considered unorthodox by the Anglican Church, the Puritans, etc., these views are supported by what Jesus says in the
GNT (Greek New Testament). William Penn of Pennsylvania fame, was a Quaker convert.
As do many modern Christian religions, many Quakers appear to have become more secular (non-Biblical) in their beliefs and practices.