Meaning of CALLING in English
call ‧ ing /ˈkɔːlɪŋ $ ˈkɒː-/ BrE AmE noun [countable]
1 . a strong desire or feeling of duty to do a particular kind of work, especially religious work SYN vocation :
It wasn’t until Durant was in her 30s that she found her calling.
2 . formal someone’s profession or trade
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012