The People whom Allah, the Most Holy, the Most High, has called Mutawassimin (distinguished) in His book are the Imams عليه السلام who are also the straight path

5. Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn from Muhammad ibn Aslam from Ibrahim ibn Ayyub from ‘Amr ibn Shamir from Jabir from abu Ja‘far عليه السلام who has said the following. “Amir al-Mu’minin Ali عليه السلام has the following about the words of Allah, the Most Holy, the Most High. ““In this there is evidence (of the Truth) for the distinguished ones.” (15:75) The Holy Prophet صلى الله عليه وعلى آله وسلم was the distinguished one and I was as such after him and the Imams from my children are the distinguished ones.” In a different copy it is narrated from Ahmad ibn Mahran from Muhammad ibn Ali from Muhammad ibn Aslam from Ibrahim ibn Ayyub through the chain of his narrators a similar Hadith.