Okay, so i have this feeling that master chief's actions seem to almost reflect those of the Didact. To understand, you will have to have read the forerunner novels, or at least a summary of them.
1) war hero- The Didact was one of the highest ranked forerunners in their military. Best known for destroying the threat of humanoty to the forerunners. Master chief is the heart and soul of the UNSC. He has saved humanity numerous times from both covenant and the flood. Both are probably the greatest warriors of their races
2) female comapnions- Didact is spouse of the Librarian. the librarian is very intelligent and seeks peace for all. Cortana is chief's AI companion who wants to keep him safe at all costs. She is a sort of copy of dr. Halsey, who is probably humanities greatest scientist. cortana and the Librarian just seem very similar to me
3) halo rings- Master Chief has been fighting to prevent the firing of the halo rings. The Didact originally fought so that they would not be fired, but the forerunners became desperate and it was their last resort. Possibly foreshadowing that cheif may have to fire the rings because of the flood?? end of halo 6?
4) downfalls- didact is exiled by the master builder on a flood infested planet. He is suppossedly left for dead, but from what we know, he is still alive. This is going to be in the book Silentium which is released in January i think. Captain del Rio left Chief behind on requiem, and probably thought he would be killed by the didact. But he survived just as the didact did. The contents of silentium may possibly foreshadow more of what Chief will do in halo 5
5) Chief can hear the didact's voice in his consciousness. This implies that chief has the geas of the Didact, so they may have an extremely distant connection. But that also made me wonder why chief could hear the voices of cortana and gravemind in halo 3. I may be wrong with all of this geas stuff
Sorry if this topic is a bit hard to follow. Its a random compilation of thoguhts that i just threw together. It all makes sense in my head, but the hard part for me is getting it into words. Also, i have any of this info wrong, kindly correct me so i can rethink this subject