If you are teaching a class, and you want to use jargon, then you need to make sure your students understand the words.  Make sure you aren’t using jargon homonyms. This often happens when you are working with people from different regions, or from different outdoor backgrounds.  It is good to define words as you use them, or if possible provide a glossary of terms before the class.  I have seen a vocabulary game played at the beginning of a surf kayak class. In addition to learning the jargon it helped the students make the mental transition from kayaker to surfer.

Here is an article on the use of jargon in professional writing [READ] I think the principles of professional writing are equally suited to any type of professional communication.