@AfricInsight your question has prompted me to do more reading, particularly a search through the Bible commentary. See what I've come up with. In Mark 12:28, the person who asked Jesus about the greatest commandment is described as a "teacher of the law," a term often used for scribes.
For further reading and understanding Mark 12:28, the person who asks Jesus about the greatest commandment is identified as one of the "teachers of the law." This term is often used interchangeably with "scribes" in the