Miles Christianus refers to a Latin phrase that translates to "Christian soldier" in English. This is a phrase that was often used during the Middle Ages when Christianity was spreading throughout Europe.
The phrase refers to the idea that when someone becomes a follower of Christ, they are also choosing to fight for Him. This means that they are committing to living a life that is dedicated to following the teachings of Jesus and spreading the Good News of salvation to others.
In a way, being a Miles Christianus means that you are like a soldier who is part of an army fighting for a specific cause. In this case, the cause is spreading the message of the gospel and helping others find salvation through Jesus.
Being a Miles Christianus requires a lot of dedication and hard work. It means living a life that is virtuous and ethical, and it involves constantly working to improve your relationship with God. It also means being willing to stand up for your faith, even in difficult or uncomfortable situations.
Overall, the phrase Miles Christianus is a way to describe the commitment and devotion that is required to be a true follower of Christ. It is a reminder that Christianity is not just a belief system, but also a way of life that requires active participation and dedication.