Due process is in this amendment so that the person is guaranteed that they are not deprived of life, liberty, loss of property until certain procedures are carried out. It assures that the person is not penalized until they are convicted. This is so a person can have a fair trial.
You are arrested for a crime. The have to prove you guilty before they can penalize you. So your freedom, property, and your life are safe from the government until they prove you committed the crime you are being accused of