What mainly makes the difference between a psychiatrist and a therapist is the medicinal approach.
Psychiatrist holds a bachelor's degree in general medicine and a master's degree in psychology which allows them to prescribe medication if needed and use the rest of psychology methods like DBT, CBT, ... etc.
Psychiatrist focuses on organic and psychological symptoms in diagnosed cases."
The therapist holds a bachelor's degree in psychology but does not allow him to prescribe medications.
The therapist focuses on providing psychotherapy (talk therapy) in the diagnosis using all methods like DBT, CBT, ... etc..".