av·o·ca·tion
| \ ˌa-və-ˈkā-shən
\
1
: a subordinate occupation pursued in addition to one's vocation especially for enjoyment : hobby
He's a professional musician, but his avocation is photography. He had the restrained manners developed when tennis was the avocation of gentleman jocks …— Margo Jefferson
2
: customary employment : vocation
'My name is Riah,' said the old man, with courteous action, 'and my avocation is in London city.'— Charles Dickens