Imams are spiritual successors to Muhammed, chosen by God
Imamates are inspired by God, without sin % infallible. This means they can interpret the teachings of the Quran without error. Shia Muslims believe that imams are exemplary individuals who appointed by God. They obey God and follow Shariah law.
The twelvers are a branch of Shia Islam who believe that there were 12imans after muhammed. They believe the 12th imam has been keptalive by God and is hidden on earth somewhere. Shias believe one day the 12thimam will revealhimself and bring equality to all.
Shia muslims believe imams are necessary because people need guidance on how to live correctly.
Sunni - Imams selected on merit
90% of muslims
leadership is not a birthright and the best man should be chosen
AbuBakr should have been the successor
Shia - Imams are spiritualdescendants selected by God
10% of muslims
Imam is sinless by nature
Ali (cousin and son in law of muhammed) should have been his successor
"Obey those of you who are in authority"
"imamah is something that is given by Allah and must by appointed by Him"