do (someone) a good turn

To do something that helps, aids, or benefits another person. If you do someone a good turn, they are much more likely to help you out in the future. John did me a good turn last year, so I'd like to return the favor somehow.

Common Names:

Name	Pronounced	Usage
Runa	-	Norwegian, Danish, Swedish
Childers	['tʃildəz]
Saundra	-	Scottish
Columbine	KAHL-əm-bien	English (Rare)
Milka (1)	-	Serbian, Croatian, Slovene, Macedonian, Bulgarian
Radu	-	Romanian