need help hiring a plumber

Thank you who all shared and donated. things continue to get worse our toilet now has to be replaced. on the plus side my car is back up n running thank God. but really need help hiring a plumber to see what the sewage smell is in our trailer weither is our responsibility or the landlord's any help would be appreciated. thanks in advance. and God bless everyone . still need donations for a new toilet my cashapp is $jaypyn069. paypal is @jpayne779 if you don't wanna donate thur the gofundme account.