When I heard about this topic in the church, I was somehow having a second thought about it. I never knew that Daddy G.O. would have a better explanation to it. While explaining, I got to understand it better in a simpler way.
Substitution is the process of replacing something with another thing. When you have a chair to sit on but are looking for a bench, then you have substituted what you have for the other.
I want to eat rice but do not have money to buy it and I have spaghetti to prepare, then to make it clearer, I substituted spaghetti for rice because it is what I had at that moment.
In another way, human beings can be substituted without doubt. I knew of a native doctor who someone went to meet for healing. The person has been sick for so long now and has nothing to do and without remedy to his ailments. He was told of this native doctor and how he always heals people. This man went to meet up with him for healing but the unexpected happened. The native doctor told the man that he is going to be healed without doubt but with just one condition. The condition was not the best one as it is not the oath he must follow.
The native doctor told him that in order for him to survive, someone has to stand out as a substitute. This means someone's head must go for it. This is a fact which we must all be aware of.
Sometimes prayer is important. It is better we pray to God for forgiveness and to make us heal again instead of relying on some deities. The only one who cannot fail you is God almighty.
So, this man was so much ready to get revived and was ready to go for the doctor's words. The herbalist told him to bring the material of anyone he wants to use as a substitute. He went home to have a rethink. No one knew about it except the one who took him there. This was how he used his only child as a substitute. He was brought back to life and was normal again.
He lives in secret without letting his wife know about it. When he was dying, his death was a painful one. He confesses to all what he has done.
Human substitution is not the best. Why on Earth can someone be killed just for your place?
A king was on the verge of dying and the only way to save him was for someone to die. Who will that be? They were all contemplating trying to know who to use. All his subjects were not ready to give up their lives just to save him because no one wants to die.
So, the second in command rendered his life just to save the king and the kingdom. This one is loyalty. The second in command was a loyal servant and so died to save his king and the kingdom.
Substitution is not the best in most ways of the best in another way but who would love to waste this precious life for someone?