Simplify the following text for a Grade 11 native English-speaking person.
Original: Its 18 articles emphasize belief in salvation through Jesus Christ , baptism , nonviolence , shunning those who leave the church , feet washing , and avoidance of taking oaths .
Simplified: It has 18 articles of faith that talk about the importance of salvation through Jesus Christ , baptism , nonviolence , feet washing , and not taking oaths .