Student or Learner
Burly and bearded, he was a West Coast countercultural success who d managed to bridge both worlds, as comfortable in Birkenstocks as in business suits. His steely hair was tied back in a ponytail, and his face was washed with a ruddy color that made him appear as healthy as he believed he was.
The Heart Speaks: A Cardiologist Reveals the Secret Language of Healing - Mimi Guarneri - Google
He could be a hippie and a businessman at the same time.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.