have an axe to grind

to have a strong opinion about something, which you are often trying to persuade other people is correct As a novelist, he has no political axe to grind.

Common Names:

Name	Pronounced	Usage
Corinne	ko-REEN (French), kə-REEN (English), kə-RIN (English)	French, English
Tytus	TI-tuws	Polish
Aurora	ow-RO-rah (Spanish), ə-RAWR-ə (English), OW-ro-rah (Finnish)	Italian, Spanish, Portuguese, English, German, Romanian, Finnish, Roman Mythology
Dido	-	Roman Mythology
Aditi	-	Hinduism, Indian, Hindi, Marathi, Bengali, Kannada
Betsy	['betsi]