Learning martial arts: are you a student or a customer?
internalstyle.com
internalstyle.com
In other cases, clothing was available, less to make money, but so that they could wear something they'd be proud of. I'm proud to say I've never had a teacher in silk pyjamas though!
Here, http://internalstyle.com/index.php?option=com_content&vi... , the sifu writes of a further distinction between student and disciple.
Contrast that to my unrelated studies of karate as a child where we were the class size was huge (30+) and we were pushed toward buying training gear from the sensei. In that instance, you become less like a student and more like a customer.