What is your label?

Ever since my college undergraduate experience I have had to contemplate whether or not to proceed with any form of ordination or licensure as a "professional minister" [if such a person can even really exist (see next entry)]. Having earned my B.A. in Theology and being in process with my M.A. in Religion (Missional Leadership) I well exceed the educational "requirements/qualifications" to be a "licensed" minister in the Church of the Nazarene. There remains something unsettling, however, every time I consider officially affiliating myself with any given denomination. To an even greater degree I find it problematic to own a certificate labeling myself as a "minister" (once again, see next entry).
Why do we insist on methods of labeling and categorization?
Can we not be followers of Jesus / teachers of the way of Jesus without "credentials?"
Why do we adhere ourselves to certain denominational tribes?
What labels are healthy or unhealthy?
How do you label yourself?
How do others label you?
How do you label others?
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