Anyone can call themselves a counsellor or a therapist, but there are qualifications which can and should be obtained.
The British Association for Counselling and Psychotherapy has a register of accredited members. It tends to use the two terms interchangeably, though if you read all the small print you can see the different types of therapy and a list of members and their qualifications and specialisms.
Other organisations are available.
AIBU To Be So Annoyed at the Stupidity of This
Crying over sad songs on the radio
My daughter has split up with her husband
if your recycling or rubbish collections days are Monday,Tuesday,Wednesday



