An "affair consultant" refers to someone who provides guidance or advice to individuals or couples involved in extramarital relationships or affairs. Full definition
Public affairs consultants provide clients with political and public policy advice that has been gained via personal contacts, political intelligence and from a wide range of media sources. (targetjobs.co.uk)
He is an expert on energy, environmental and public health issues, a public affairs consultant, author, TV / radio commentator and public speaker. (junkscience.com)
Susan was a public affairs consultant for more than 25 years specializing in issues that impact the home, including parenting, education and health. (mindbodygreen.com)