1-Definition.2-In the Qur'an.3-In Hadiths.4-In the View of Intellect.5-Types.5.1-In Creation and Legislation.5.2-False Intercession.5.3-True Intercession.5.4-For Forgiveness and for Propmotion.6-Requirements.7-Obstacles of Shafa'a.8-Intercessors.9-Effects.10-Wahhabis and Shafa'a.11-Criticisms of Wahhabis.11.1-Polytheism.11.2-Excluding Shafa'a to God.11.3-Resembling Polytheists.11.4-Hadith Rejecting the Request for Shafa'a from People.11.5-Request from Those who have Passed away.11.6-We Have No Rights to Ask Them.12-Deniers of Shafa'a.12.1-Boldness over Sinning.12.2-There is No Need for a Mediator.12.3-Justice or Oppression.13-Notes.14-References.