be honour-bound

be/feel honour-bound to do something

(British & Australian) also be/feel honor-bound to do something (American & Australian)

to feel that you must do something because it is morally right, even if you do not want to do it I'd rather go to Andrew's party but I feel honour-bound to go to Caroline's because she asked me first.

Common Names:

Name	Pronounced	Usage
HjÖRdis	YUUR-dis	Swedish
Bara	-	Croatian
Maxime	-	French
Ireneus	-	Ancient Greek (Latinized)
Juliusz	YUWL-yuwsh	Polish
Delara	-	Persian