She is, bynature, asunny,positivekindofperson.
He's aplumberbytrade.
She was, byprofession, alawyer.
He iscautiousandrisk-aversebynature.
Adentistbyprofession, she wasactiveinlocalpoliticsin the 1980s.
Acarpenterbytrade, he had always beeninterestedinconservation.