The teaching 'profession' opposes the new law. = ('Brit') The teaching 'profession' oppose the new law.
The doctor talked to students who are thinking about entering/joining the 'profession'.
('humorous') She works in 'the (world's) oldest profession'. [=she is a prostitute]
(..) in the Muggle world? My parents are dentists. They attend to people's teeth. Fascinating. And is that considered a dangerous profession? No. Although, one boy, Robby Fenwich, did bite my father once. He needed ten stitches. Ah, Ms. Weasley. (..)2009 Harry Potter and the Half-Blood Prince