A tyrant seizes total power by working with the people whose ideals he or she represents, then seizes total power, sharing none with supporters (B).
A tyrant is an absolute ruler unrestrained by law or someone who seizes legitimate sovereignty. They defend their position by oppressive means.
The person that would become a tyrant seek for people or parties with the same ideals to used them as leverage to reach the power and once they get there they forget about everybody who helped him/her.
I hope this answer helps you.
