Tai chi chuan exponents

You may encounter many different people in a tai chi school.
The martial path has 6 tiers:

1. Student
2. Lineage disciple
3. Instructor
4. Expert
5. Master
6. Grandmaster

Every practitioner begins at the first level.
Levels 2-6 require a much deeper degree of commitment and practice, and will not suit most people's lifestyle.
It may be useful to determine what level an instructor has reached.