Its something
Some of the professionals participating in the project are doing so by avocation
An avocation is a hobby or occupation someone does in their free time.
amusement, diversion, pastime, recreation are synonyms for avocation.
Avocation is something one does in lieu of their regular work or vocation, such as a hobby. To use it in a sentence: "My profession as an accountant is very rewarding, but my true love is my avocation of woodworking and furniture construction." She started a dance group as an avocation but soon discovered she had a full scale business on her hands.
She started a dance group as an avocation but soon discovered she had a full scale business on her hands.A Web site is an avocation for me as I make my living at home writing about vacation marketing.
avocation
i called and theres no answer
Hobby
avocation
Avocation
That is the correct spelling of the word "hobby" (a pastime or avocation).
A noun (as are almost all English words ending in -tion)