Sheriff
Immunity:Default, Mutated                                 Not Immune To:Tanks, Screamers, nemesis, Flesh Eater, Advanced Mutated,witch, adv witch

                                       Pilot  
Immunity:Tank                                             Not Immune To:Everything Else                                 

                                    Federal Agent
Immunity:Default, Mutated, Witch , adv mutated                         Not Immune To:Tanks, adv Screamer, nemesis, Flesh Eater

                                   Weapon Dealer
Immunity:Default, Mutated,                          Not Immune To:Tanks, Screamers, nemesis, Flesh Eater, witch , Adv Witch , adv mutated

                                  Hershel (le Old man)
Immunity:Default, Mutated, Witch , adv witch , adv mutated                         Not Immune To:Tanks, Screamers, nemesis

                                          FBI   
Immunity:Everything else except---->                        Not Immune To:Tanks, Nemesis

                                      Elite Survivor
Immunity:All Other than Nemesis                           Not Immune To: Nemesis                                

Other Classes. Can someone give me details about it and some admin edit this post?
I will not add classes will no immunity and boomers.